Home / 52,785,947.78-72,818,722.20-45,806,829.80

Finding the Fourth Proportional to 52,785,947.78, 72,818,722.20 and 45,806,829.80

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Solution

The fourth proportional to 52,785,947.78, 72,818,722.20 and 45,806,829.80 is: 63,190,961.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,785,947.78 : 72,818,722.20 = 45,806,829.80 : x
  2. Step 2: Convert to fraction form
    52,785,947.78/72,818,722.20 = 45,806,829.80/x
  3. Step 3: Cross multiply
    52,785,947.78x = 72,818,722.20 × 45,806,829.80
  4. Step 4: Simplify right side
    52,785,947.78x = 3,335,594,814,068,881.50
  5. Step 5: Solve for x
    x = 3,335,594,814,068,881.50/52,785,947.78
  6. Step 6: Final answer
    x = 63,190,961.88

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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.