Home / 125,155,580.88-172,715,085.36-69,404,926.80

Finding the Fourth Proportional to 125,155,580.88, 172,715,085.36 and 69,404,926.80

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Solution

The fourth proportional to 125,155,580.88, 172,715,085.36 and 69,404,926.80 is: 95,779,011.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,155,580.88 : 172,715,085.36 = 69,404,926.80 : x
  2. Step 2: Convert to fraction form
    125,155,580.88/172,715,085.36 = 69,404,926.80/x
  3. Step 3: Cross multiply
    125,155,580.88x = 172,715,085.36 × 69,404,926.80
  4. Step 4: Simplify right side
    125,155,580.88x = 11,987,277,856,666,552
  5. Step 5: Solve for x
    x = 11,987,277,856,666,552/125,155,580.88
  6. Step 6: Final answer
    x = 95,779,011.79

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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.