Home / 87,239,551.35-120,389,018.96-47,547,439.58

Finding the Fourth Proportional to 87,239,551.35, 120,389,018.96 and 47,547,439.58

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Solution

The fourth proportional to 87,239,551.35, 120,389,018.96 and 47,547,439.58 is: 65,614,615.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,239,551.35 : 120,389,018.96 = 47,547,439.58 : x
  2. Step 2: Convert to fraction form
    87,239,551.35/120,389,018.96 = 47,547,439.58/x
  3. Step 3: Cross multiply
    87,239,551.35x = 120,389,018.96 × 47,547,439.58
  4. Step 4: Simplify right side
    87,239,551.35x = 5,724,189,604,704,764
  5. Step 5: Solve for x
    x = 5,724,189,604,704,764/87,239,551.35
  6. Step 6: Final answer
    x = 65,614,615.35

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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.