Home / 125,569,266.90-188,353,900.35-91,557,042.90

Finding the Fourth Proportional to 125,569,266.90, 188,353,900.35 and 91,557,042.90

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Solution

The fourth proportional to 125,569,266.90, 188,353,900.35 and 91,557,042.90 is: 137,335,564.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,569,266.90 : 188,353,900.35 = 91,557,042.90 : x
  2. Step 2: Convert to fraction form
    125,569,266.90/188,353,900.35 = 91,557,042.90/x
  3. Step 3: Cross multiply
    125,569,266.90x = 188,353,900.35 × 91,557,042.90
  4. Step 4: Simplify right side
    125,569,266.90x = 17,245,126,134,727,276
  5. Step 5: Solve for x
    x = 17,245,126,134,727,276/125,569,266.90
  6. Step 6: Final answer
    x = 137,335,564.35

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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.