Home / 66,439,614.77-99,710,289.03-30,073,543.62

Finding the Fourth Proportional to 66,439,614.77, 99,710,289.03 and 30,073,543.62

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Solution

The fourth proportional to 66,439,614.77, 99,710,289.03 and 30,073,543.62 is: 45,133,340.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,439,614.77 : 99,710,289.03 = 30,073,543.62 : x
  2. Step 2: Convert to fraction form
    66,439,614.77/99,710,289.03 = 30,073,543.62/x
  3. Step 3: Cross multiply
    66,439,614.77x = 99,710,289.03 × 30,073,543.62
  4. Step 4: Simplify right side
    66,439,614.77x = 2,998,641,726,506,512.50
  5. Step 5: Solve for x
    x = 2,998,641,726,506,512.50/66,439,614.77
  6. Step 6: Final answer
    x = 45,133,340.06

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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.