Home / 103,688,866.30-155,533,299.45-65,225,659.90

Finding the Fourth Proportional to 103,688,866.30, 155,533,299.45 and 65,225,659.90

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Solution

The fourth proportional to 103,688,866.30, 155,533,299.45 and 65,225,659.90 is: 97,838,489.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,688,866.30 : 155,533,299.45 = 65,225,659.90 : x
  2. Step 2: Convert to fraction form
    103,688,866.30/155,533,299.45 = 65,225,659.90/x
  3. Step 3: Cross multiply
    103,688,866.30x = 155,533,299.45 × 65,225,659.90
  4. Step 4: Simplify right side
    103,688,866.30x = 10,144,762,093,050,556
  5. Step 5: Solve for x
    x = 10,144,762,093,050,556/103,688,866.30
  6. Step 6: Final answer
    x = 97,838,489.85

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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.