Home / 115,182,001.80-172,773,002.70-76,439,952.90

Finding the Fourth Proportional to 115,182,001.80, 172,773,002.70 and 76,439,952.90

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Solution

The fourth proportional to 115,182,001.80, 172,773,002.70 and 76,439,952.90 is: 114,659,929.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,182,001.80 : 172,773,002.70 = 76,439,952.90 : x
  2. Step 2: Convert to fraction form
    115,182,001.80/172,773,002.70 = 76,439,952.90/x
  3. Step 3: Cross multiply
    115,182,001.80x = 172,773,002.70 × 76,439,952.90
  4. Step 4: Simplify right side
    115,182,001.80x = 13,206,760,188,779,572
  5. Step 5: Solve for x
    x = 13,206,760,188,779,572/115,182,001.80
  6. Step 6: Final answer
    x = 114,659,929.35

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1.5x scale

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.