Home / 127,071,666.39-175,428,481.03-88,939,484.72

Finding the Fourth Proportional to 127,071,666.39, 175,428,481.03 and 88,939,484.72

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Solution

The fourth proportional to 127,071,666.39, 175,428,481.03 and 88,939,484.72 is: 122,785,190.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,071,666.39 : 175,428,481.03 = 88,939,484.72 : x
  2. Step 2: Convert to fraction form
    127,071,666.39/175,428,481.03 = 88,939,484.72/x
  3. Step 3: Cross multiply
    127,071,666.39x = 175,428,481.03 × 88,939,484.72
  4. Step 4: Simplify right side
    127,071,666.39x = 15,602,518,708,566,484
  5. Step 5: Solve for x
    x = 15,602,518,708,566,484/127,071,666.39
  6. Step 6: Final answer
    x = 122,785,190.06

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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.