Home / 57,020,437.93-78,753,154.55-38,653,836.97

Finding the Fourth Proportional to 57,020,437.93, 78,753,154.55 and 38,653,836.97

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Solution

The fourth proportional to 57,020,437.93, 78,753,154.55 and 38,653,836.97 is: 53,386,324.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,020,437.93 : 78,753,154.55 = 38,653,836.97 : x
  2. Step 2: Convert to fraction form
    57,020,437.93/78,753,154.55 = 38,653,836.97/x
  3. Step 3: Cross multiply
    57,020,437.93x = 78,753,154.55 × 38,653,836.97
  4. Step 4: Simplify right side
    57,020,437.93x = 3,044,111,596,655,644.50
  5. Step 5: Solve for x
    x = 3,044,111,596,655,644.50/57,020,437.93
  6. Step 6: Final answer
    x = 53,386,324.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.