Home / 372,215,280.80-558,343,916.40-113,438,943.20

Finding the Fourth Proportional to 372,215,280.80, 558,343,916.40 and 113,438,943.20

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Solution

The fourth proportional to 372,215,280.80, 558,343,916.40 and 113,438,943.20 is: 170,164,813.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,215,280.80 : 558,343,916.40 = 113,438,943.20 : x
  2. Step 2: Convert to fraction form
    372,215,280.80/558,343,916.40 = 113,438,943.20/x
  3. Step 3: Cross multiply
    372,215,280.80x = 558,343,916.40 × 113,438,943.20
  4. Step 4: Simplify right side
    372,215,280.80x = 63,337,943,818,565,144
  5. Step 5: Solve for x
    x = 63,337,943,818,565,144/372,215,280.80
  6. Step 6: Final answer
    x = 170,164,813.44

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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.