Home / 75,327,310.34-103,945,948.12-42,281,174.16

Finding the Fourth Proportional to 75,327,310.34, 103,945,948.12 and 42,281,174.16

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Solution

The fourth proportional to 75,327,310.34, 103,945,948.12 and 42,281,174.16 is: 58,344,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,327,310.34 : 103,945,948.12 = 42,281,174.16 : x
  2. Step 2: Convert to fraction form
    75,327,310.34/103,945,948.12 = 42,281,174.16/x
  3. Step 3: Cross multiply
    75,327,310.34x = 103,945,948.12 × 42,281,174.16
  4. Step 4: Simplify right side
    75,327,310.34x = 4,394,956,735,688,044.50
  5. Step 5: Solve for x
    x = 4,394,956,735,688,044.50/75,327,310.34
  6. Step 6: Final answer
    x = 58,344,798.40

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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.