Home / 79,005,598.80-118,496,423.97-21,502,350.96

Finding the Fourth Proportional to 79,005,598.80, 118,496,423.97 and 21,502,350.96

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Solution

The fourth proportional to 79,005,598.80, 118,496,423.97 and 21,502,350.96 is: 32,250,267.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,005,598.80 : 118,496,423.97 = 21,502,350.96 : x
  2. Step 2: Convert to fraction form
    79,005,598.80/118,496,423.97 = 21,502,350.96/x
  3. Step 3: Cross multiply
    79,005,598.80x = 118,496,423.97 × 21,502,350.96
  4. Step 4: Simplify right side
    79,005,598.80x = 2,547,951,695,707,896.50
  5. Step 5: Solve for x
    x = 2,547,951,695,707,896.50/79,005,598.80
  6. Step 6: Final answer
    x = 32,250,267.51

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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.