Home / 71,938,457.48-99,275,000.94-38,898,627.68

Finding the Fourth Proportional to 71,938,457.48, 99,275,000.94 and 38,898,627.68

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Solution

The fourth proportional to 71,938,457.48, 99,275,000.94 and 38,898,627.68 is: 53,680,068.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,938,457.48 : 99,275,000.94 = 38,898,627.68 : x
  2. Step 2: Convert to fraction form
    71,938,457.48/99,275,000.94 = 38,898,627.68/x
  3. Step 3: Cross multiply
    71,938,457.48x = 99,275,000.94 × 38,898,627.68
  4. Step 4: Simplify right side
    71,938,457.48x = 3,861,661,299,496,710
  5. Step 5: Solve for x
    x = 3,861,661,299,496,710/71,938,457.48
  6. Step 6: Final answer
    x = 53,680,068.14

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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.