Home / 157,609,172.40-236,413,758.60-85,049,761.20

Finding the Fourth Proportional to 157,609,172.40, 236,413,758.60 and 85,049,761.20

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Solution

The fourth proportional to 157,609,172.40, 236,413,758.60 and 85,049,761.20 is: 127,574,641.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,609,172.40 : 236,413,758.60 = 85,049,761.20 : x
  2. Step 2: Convert to fraction form
    157,609,172.40/236,413,758.60 = 85,049,761.20/x
  3. Step 3: Cross multiply
    157,609,172.40x = 236,413,758.60 × 85,049,761.20
  4. Step 4: Simplify right side
    157,609,172.40x = 20,106,933,713,324,448
  5. Step 5: Solve for x
    x = 20,106,933,713,324,448/157,609,172.40
  6. Step 6: Final answer
    x = 127,574,641.80

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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.