Home / 72,606,657.30-108,909,985.95-56,167,415.70

Finding the Fourth Proportional to 72,606,657.30, 108,909,985.95 and 56,167,415.70

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Solution

The fourth proportional to 72,606,657.30, 108,909,985.95 and 56,167,415.70 is: 84,251,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,606,657.30 : 108,909,985.95 = 56,167,415.70 : x
  2. Step 2: Convert to fraction form
    72,606,657.30/108,909,985.95 = 56,167,415.70/x
  3. Step 3: Cross multiply
    72,606,657.30x = 108,909,985.95 × 56,167,415.70
  4. Step 4: Simplify right side
    72,606,657.30x = 6,117,192,454,734,810
  5. Step 5: Solve for x
    x = 6,117,192,454,734,810/72,606,657.30
  6. Step 6: Final answer
    x = 84,251,123.55

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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.