Home / 127,944,742.60-191,539,200.30-84,862,592.20

Finding the Fourth Proportional to 127,944,742.60, 191,539,200.30 and 84,862,592.20

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Solution

The fourth proportional to 127,944,742.60, 191,539,200.30 and 84,862,592.20 is: 127,043,227.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,944,742.60 : 191,539,200.30 = 84,862,592.20 : x
  2. Step 2: Convert to fraction form
    127,944,742.60/191,539,200.30 = 84,862,592.20/x
  3. Step 3: Cross multiply
    127,944,742.60x = 191,539,200.30 × 84,862,592.20
  4. Step 4: Simplify right side
    127,944,742.60x = 16,254,513,045,373,020
  5. Step 5: Solve for x
    x = 16,254,513,045,373,020/127,944,742.60
  6. Step 6: Final answer
    x = 127,043,227.53

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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.