Home / 90,745,616,254.91-125,239,931,610.86-51,647,670,345.60

Finding the Fourth Proportional to 90,745,616,254.91, 125,239,931,610.86 and 51,647,670,345.60

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Solution

The fourth proportional to 90,745,616,254.91, 125,239,931,610.86 and 51,647,670,345.60 is: 71,280,034,991.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,745,616,254.91 : 125,239,931,610.86 = 51,647,670,345.60 : x
  2. Step 2: Convert to fraction form
    90,745,616,254.91/125,239,931,610.86 = 51,647,670,345.60/x
  3. Step 3: Cross multiply
    90,745,616,254.91x = 125,239,931,610.86 × 51,647,670,345.60
  4. Step 4: Simplify right side
    90,745,616,254.91x = 6,468,350,701,943,185,735,680
  5. Step 5: Solve for x
    x = 6,468,350,701,943,185,735,680/90,745,616,254.91
  6. Step 6: Final answer
    x = 71,280,034,991.15

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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.