Home / 57,856,068.96-86,781,291.12-21,471,547.76

Finding the Fourth Proportional to 57,856,068.96, 86,781,291.12 and 21,471,547.76

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Solution

The fourth proportional to 57,856,068.96, 86,781,291.12 and 21,471,547.76 is: 32,206,277.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,856,068.96 : 86,781,291.12 = 21,471,547.76 : x
  2. Step 2: Convert to fraction form
    57,856,068.96/86,781,291.12 = 21,471,547.76/x
  3. Step 3: Cross multiply
    57,856,068.96x = 86,781,291.12 × 21,471,547.76
  4. Step 4: Simplify right side
    57,856,068.96x = 1,863,328,636,957,544.25
  5. Step 5: Solve for x
    x = 1,863,328,636,957,544.25/57,856,068.96
  6. Step 6: Final answer
    x = 32,206,277.93

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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.