Home / 103,457,812.29-142,718,350.95-64,284,705.69

Finding the Fourth Proportional to 103,457,812.29, 142,718,350.95 and 64,284,705.69

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Solution

The fourth proportional to 103,457,812.29, 142,718,350.95 and 64,284,705.69 is: 88,679,694.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,457,812.29 : 142,718,350.95 = 64,284,705.69 : x
  2. Step 2: Convert to fraction form
    103,457,812.29/142,718,350.95 = 64,284,705.69/x
  3. Step 3: Cross multiply
    103,457,812.29x = 142,718,350.95 × 64,284,705.69
  4. Step 4: Simplify right side
    103,457,812.29x = 9,174,607,187,382,880
  5. Step 5: Solve for x
    x = 9,174,607,187,382,880/103,457,812.29
  6. Step 6: Final answer
    x = 88,679,694.50

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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.