Home / 127,028,402.88-175,234,562.16-83,001,141.12

Finding the Fourth Proportional to 127,028,402.88, 175,234,562.16 and 83,001,141.12

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Solution

The fourth proportional to 127,028,402.88, 175,234,562.16 and 83,001,141.12 is: 114,499,342.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,028,402.88 : 175,234,562.16 = 83,001,141.12 : x
  2. Step 2: Convert to fraction form
    127,028,402.88/175,234,562.16 = 83,001,141.12/x
  3. Step 3: Cross multiply
    127,028,402.88x = 175,234,562.16 × 83,001,141.12
  4. Step 4: Simplify right side
    127,028,402.88x = 14,544,668,622,943,572
  5. Step 5: Solve for x
    x = 14,544,668,622,943,572/127,028,402.88
  6. Step 6: Final answer
    x = 114,499,342.61

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1.5x scale

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.