Home / 49,963,417.20-74,945,125.80-38,612,012.40

Finding the Fourth Proportional to 49,963,417.20, 74,945,125.80 and 38,612,012.40

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Solution

The fourth proportional to 49,963,417.20, 74,945,125.80 and 38,612,012.40 is: 57,918,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,963,417.20 : 74,945,125.80 = 38,612,012.40 : x
  2. Step 2: Convert to fraction form
    49,963,417.20/74,945,125.80 = 38,612,012.40/x
  3. Step 3: Cross multiply
    49,963,417.20x = 74,945,125.80 × 38,612,012.40
  4. Step 4: Simplify right side
    49,963,417.20x = 2,893,782,126,709,159.50
  5. Step 5: Solve for x
    x = 2,893,782,126,709,159.50/49,963,417.20
  6. Step 6: Final answer
    x = 57,918,018.60

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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.