Home / 103,688,838.55-155,533,257.83-65,225,632.15

Finding the Fourth Proportional to 103,688,838.55, 155,533,257.83 and 65,225,632.15

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Solution

The fourth proportional to 103,688,838.55, 155,533,257.83 and 65,225,632.15 is: 97,838,448.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,688,838.55 : 155,533,257.83 = 65,225,632.15 : x
  2. Step 2: Convert to fraction form
    103,688,838.55/155,533,257.83 = 65,225,632.15/x
  3. Step 3: Cross multiply
    103,688,838.55x = 155,533,257.83 × 65,225,632.15
  4. Step 4: Simplify right side
    103,688,838.55x = 10,144,755,062,310,688
  5. Step 5: Solve for x
    x = 10,144,755,062,310,688/103,688,838.55
  6. Step 6: Final answer
    x = 97,838,448.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.