Home / 78,732,013.95-108,650,247.36-43,924,711.56

Finding the Fourth Proportional to 78,732,013.95, 108,650,247.36 and 43,924,711.56

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Solution

The fourth proportional to 78,732,013.95, 108,650,247.36 and 43,924,711.56 is: 60,616,139.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,013.95 : 108,650,247.36 = 43,924,711.56 : x
  2. Step 2: Convert to fraction form
    78,732,013.95/108,650,247.36 = 43,924,711.56/x
  3. Step 3: Cross multiply
    78,732,013.95x = 108,650,247.36 × 43,924,711.56
  4. Step 4: Simplify right side
    78,732,013.95x = 4,772,430,776,210,652
  5. Step 5: Solve for x
    x = 4,772,430,776,210,652/78,732,013.95
  6. Step 6: Final answer
    x = 60,616,139.95

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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.