Home / 127,563,998.38-176,092,732.14-85,772,287.32

Finding the Fourth Proportional to 127,563,998.38, 176,092,732.14 and 85,772,287.32

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Solution

The fourth proportional to 127,563,998.38, 176,092,732.14 and 85,772,287.32 is: 118,402,343.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,563,998.38 : 176,092,732.14 = 85,772,287.32 : x
  2. Step 2: Convert to fraction form
    127,563,998.38/176,092,732.14 = 85,772,287.32/x
  3. Step 3: Cross multiply
    127,563,998.38x = 176,092,732.14 × 85,772,287.32
  4. Step 4: Simplify right side
    127,563,998.38x = 15,103,876,416,075,876
  5. Step 5: Solve for x
    x = 15,103,876,416,075,876/127,563,998.38
  6. Step 6: Final answer
    x = 118,402,343.98

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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.