Home / 86,704,463.76-119,655,609.96-47,547,644.88

Finding the Fourth Proportional to 86,704,463.76, 119,655,609.96 and 47,547,644.88

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Solution

The fourth proportional to 86,704,463.76, 119,655,609.96 and 47,547,644.88 is: 65,617,641.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,704,463.76 : 119,655,609.96 = 47,547,644.88 : x
  2. Step 2: Convert to fraction form
    86,704,463.76/119,655,609.96 = 47,547,644.88/x
  3. Step 3: Cross multiply
    86,704,463.76x = 119,655,609.96 × 47,547,644.88
  4. Step 4: Simplify right side
    86,704,463.76x = 5,689,342,450,277,871
  5. Step 5: Solve for x
    x = 5,689,342,450,277,871/86,704,463.76
  6. Step 6: Final answer
    x = 65,617,641.86

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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.