Home / 102,528,955.71-141,491,287.85-56,118,213.18

Finding the Fourth Proportional to 102,528,955.71, 141,491,287.85 and 56,118,213.18

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Solution

The fourth proportional to 102,528,955.71, 141,491,287.85 and 56,118,213.18 is: 77,443,861.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,528,955.71 : 141,491,287.85 = 56,118,213.18 : x
  2. Step 2: Convert to fraction form
    102,528,955.71/141,491,287.85 = 56,118,213.18/x
  3. Step 3: Cross multiply
    102,528,955.71x = 141,491,287.85 × 56,118,213.18
  4. Step 4: Simplify right side
    102,528,955.71x = 7,940,238,254,398,453
  5. Step 5: Solve for x
    x = 7,940,238,254,398,453/102,528,955.71
  6. Step 6: Final answer
    x = 77,443,861.58

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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.