Home / 66,737,251.32-100,069,303.14-20,666,330.00

Finding the Fourth Proportional to 66,737,251.32, 100,069,303.14 and 20,666,330.00

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Solution

The fourth proportional to 66,737,251.32, 100,069,303.14 and 20,666,330.00 is: 30,988,169.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,737,251.32 : 100,069,303.14 = 20,666,330.00 : x
  2. Step 2: Convert to fraction form
    66,737,251.32/100,069,303.14 = 20,666,330.00/x
  3. Step 3: Cross multiply
    66,737,251.32x = 100,069,303.14 × 20,666,330.00
  4. Step 4: Simplify right side
    66,737,251.32x = 2,068,065,241,060,929.75
  5. Step 5: Solve for x
    x = 2,068,065,241,060,929.75/66,737,251.32
  6. Step 6: Final answer
    x = 30,988,169.28

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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.