Home / 157,609,176.40-236,413,764.60-85,049,765.20

Finding the Fourth Proportional to 157,609,176.40, 236,413,764.60 and 85,049,765.20

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Solution

The fourth proportional to 157,609,176.40, 236,413,764.60 and 85,049,765.20 is: 127,574,647.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,609,176.40 : 236,413,764.60 = 85,049,765.20 : x
  2. Step 2: Convert to fraction form
    157,609,176.40/236,413,764.60 = 85,049,765.20/x
  3. Step 3: Cross multiply
    157,609,176.40x = 236,413,764.60 × 85,049,765.20
  4. Step 4: Simplify right side
    157,609,176.40x = 20,106,935,169,278,072
  5. Step 5: Solve for x
    x = 20,106,935,169,278,072/157,609,176.40
  6. Step 6: Final answer
    x = 127,574,647.80

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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.