Home / 78,895,395.70-118,144,027.95-62,970,147.70

Finding the Fourth Proportional to 78,895,395.70, 118,144,027.95 and 62,970,147.70

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Solution

The fourth proportional to 78,895,395.70, 118,144,027.95 and 62,970,147.70 is: 94,296,337.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,895,395.70 : 118,144,027.95 = 62,970,147.70 : x
  2. Step 2: Convert to fraction form
    78,895,395.70/118,144,027.95 = 62,970,147.70/x
  3. Step 3: Cross multiply
    78,895,395.70x = 118,144,027.95 × 62,970,147.70
  4. Step 4: Simplify right side
    78,895,395.70x = 7,439,546,889,884,429
  5. Step 5: Solve for x
    x = 7,439,546,889,884,429/78,895,395.70
  6. Step 6: Final answer
    x = 94,296,337.88

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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.