Home / 67,235,123.60-100,838,688.60-28,897,888.40

Finding the Fourth Proportional to 67,235,123.60, 100,838,688.60 and 28,897,888.40

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Solution

The fourth proportional to 67,235,123.60, 100,838,688.60 and 28,897,888.40 is: 43,340,816.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,235,123.60 : 100,838,688.60 = 28,897,888.40 : x
  2. Step 2: Convert to fraction form
    67,235,123.60/100,838,688.60 = 28,897,888.40/x
  3. Step 3: Cross multiply
    67,235,123.60x = 100,838,688.60 × 28,897,888.40
  4. Step 4: Simplify right side
    67,235,123.60x = 2,914,025,169,565,152
  5. Step 5: Solve for x
    x = 2,914,025,169,565,152/67,235,123.60
  6. Step 6: Final answer
    x = 43,340,816.73

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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.