Home / 127,938,160.20-191,789,534.40-69,560,528.88

Finding the Fourth Proportional to 127,938,160.20, 191,789,534.40 and 69,560,528.88

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Solution

The fourth proportional to 127,938,160.20, 191,789,534.40 and 69,560,528.88 is: 104,276,796.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,938,160.20 : 191,789,534.40 = 69,560,528.88 : x
  2. Step 2: Convert to fraction form
    127,938,160.20/191,789,534.40 = 69,560,528.88/x
  3. Step 3: Cross multiply
    127,938,160.20x = 191,789,534.40 × 69,560,528.88
  4. Step 4: Simplify right side
    127,938,160.20x = 13,340,981,446,512,952
  5. Step 5: Solve for x
    x = 13,340,981,446,512,952/127,938,160.20
  6. Step 6: Final answer
    x = 104,276,796.12

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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.