Home / 127,785,843.52-191,610,570.34-66,313,108.08

Finding the Fourth Proportional to 127,785,843.52, 191,610,570.34 and 66,313,108.08

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Solution

The fourth proportional to 127,785,843.52, 191,610,570.34 and 66,313,108.08 is: 99,434,273.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,785,843.52 : 191,610,570.34 = 66,313,108.08 : x
  2. Step 2: Convert to fraction form
    127,785,843.52/191,610,570.34 = 66,313,108.08/x
  3. Step 3: Cross multiply
    127,785,843.52x = 191,610,570.34 × 66,313,108.08
  4. Step 4: Simplify right side
    127,785,843.52x = 12,706,292,460,226,862
  5. Step 5: Solve for x
    x = 12,706,292,460,226,862/127,785,843.52
  6. Step 6: Final answer
    x = 99,434,273.08

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.