Home / 90,745,616,259.45-125,239,931,617.05-51,647,670,350.10

Finding the Fourth Proportional to 90,745,616,259.45, 125,239,931,617.05 and 51,647,670,350.10

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Solution

The fourth proportional to 90,745,616,259.45, 125,239,931,617.05 and 51,647,670,350.10 is: 71,280,034,997.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,745,616,259.45 : 125,239,931,617.05 = 51,647,670,350.10 : x
  2. Step 2: Convert to fraction form
    90,745,616,259.45/125,239,931,617.05 = 51,647,670,350.10/x
  3. Step 3: Cross multiply
    90,745,616,259.45x = 125,239,931,617.05 × 51,647,670,350.10
  4. Step 4: Simplify right side
    90,745,616,259.45x = 6,468,350,702,826,465,263,616
  5. Step 5: Solve for x
    x = 6,468,350,702,826,465,263,616/90,745,616,259.45
  6. Step 6: Final answer
    x = 71,280,034,997.31

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.