Home / 101,375,999.40-152,063,999.10-91,113,061.80

Finding the Fourth Proportional to 101,375,999.40, 152,063,999.10 and 91,113,061.80

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Solution

The fourth proportional to 101,375,999.40, 152,063,999.10 and 91,113,061.80 is: 136,669,592.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,375,999.40 : 152,063,999.10 = 91,113,061.80 : x
  2. Step 2: Convert to fraction form
    101,375,999.40/152,063,999.10 = 91,113,061.80/x
  3. Step 3: Cross multiply
    101,375,999.40x = 152,063,999.10 × 91,113,061.80
  4. Step 4: Simplify right side
    101,375,999.40x = 13,855,016,547,553,444
  5. Step 5: Solve for x
    x = 13,855,016,547,553,444/101,375,999.40
  6. Step 6: Final answer
    x = 136,669,592.70

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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.