Home / 155,189,439.72-232,789,658.64-38,605,402.56

Finding the Fourth Proportional to 155,189,439.72, 232,789,658.64 and 38,605,402.56

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Solution

The fourth proportional to 155,189,439.72, 232,789,658.64 and 38,605,402.56 is: 57,909,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,189,439.72 : 232,789,658.64 = 38,605,402.56 : x
  2. Step 2: Convert to fraction form
    155,189,439.72/232,789,658.64 = 38,605,402.56/x
  3. Step 3: Cross multiply
    155,189,439.72x = 232,789,658.64 × 38,605,402.56
  4. Step 4: Simplify right side
    155,189,439.72x = 8,986,938,483,602,182
  5. Step 5: Solve for x
    x = 8,986,938,483,602,182/155,189,439.72
  6. Step 6: Final answer
    x = 57,909,471.80

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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.