Home / 47,668,511.80-71,502,767.70-36,189,386.20

Finding the Fourth Proportional to 47,668,511.80, 71,502,767.70 and 36,189,386.20

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Solution

The fourth proportional to 47,668,511.80, 71,502,767.70 and 36,189,386.20 is: 54,284,079.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,668,511.80 : 71,502,767.70 = 36,189,386.20 : x
  2. Step 2: Convert to fraction form
    47,668,511.80/71,502,767.70 = 36,189,386.20/x
  3. Step 3: Cross multiply
    47,668,511.80x = 71,502,767.70 × 36,189,386.20
  4. Step 4: Simplify right side
    47,668,511.80x = 2,587,641,274,664,186
  5. Step 5: Solve for x
    x = 2,587,641,274,664,186/47,668,511.80
  6. Step 6: Final answer
    x = 54,284,079.30

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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.