Home / 42,724,156.20-64,136,000.70-25,704,047.40

Finding the Fourth Proportional to 42,724,156.20, 64,136,000.70 and 25,704,047.40

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Solution

The fourth proportional to 42,724,156.20, 64,136,000.70 and 25,704,047.40 is: 38,586,011.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,724,156.20 : 64,136,000.70 = 25,704,047.40 : x
  2. Step 2: Convert to fraction form
    42,724,156.20/64,136,000.70 = 25,704,047.40/x
  3. Step 3: Cross multiply
    42,724,156.20x = 64,136,000.70 × 25,704,047.40
  4. Step 4: Simplify right side
    42,724,156.20x = 1,648,554,802,039,233.25
  5. Step 5: Solve for x
    x = 1,648,554,802,039,233.25/42,724,156.20
  6. Step 6: Final answer
    x = 38,586,011.96

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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.