Home / 90,745,616,252.66-125,239,931,607.76-51,647,670,343.35

Finding the Fourth Proportional to 90,745,616,252.66, 125,239,931,607.76 and 51,647,670,343.35

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Solution

The fourth proportional to 90,745,616,252.66, 125,239,931,607.76 and 51,647,670,343.35 is: 71,280,034,988.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,745,616,252.66 : 125,239,931,607.76 = 51,647,670,343.35 : x
  2. Step 2: Convert to fraction form
    90,745,616,252.66/125,239,931,607.76 = 51,647,670,343.35/x
  3. Step 3: Cross multiply
    90,745,616,252.66x = 125,239,931,607.76 × 51,647,670,343.35
  4. Step 4: Simplify right side
    90,745,616,252.66x = 6,468,350,701,501,287,497,728
  5. Step 5: Solve for x
    x = 6,468,350,701,501,287,497,728/90,745,616,252.66
  6. Step 6: Final answer
    x = 71,280,034,988.05

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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.