Home / 136,651,237.60-204,728,024.40-64,689,023.20

Finding the Fourth Proportional to 136,651,237.60, 204,728,024.40 and 64,689,023.20

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Solution

The fourth proportional to 136,651,237.60, 204,728,024.40 and 64,689,023.20 is: 96,915,740.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,651,237.60 : 204,728,024.40 = 64,689,023.20 : x
  2. Step 2: Convert to fraction form
    136,651,237.60/204,728,024.40 = 64,689,023.20/x
  3. Step 3: Cross multiply
    136,651,237.60x = 204,728,024.40 × 64,689,023.20
  4. Step 4: Simplify right side
    136,651,237.60x = 13,243,655,920,101,768
  5. Step 5: Solve for x
    x = 13,243,655,920,101,768/136,651,237.60
  6. Step 6: Final answer
    x = 96,915,740.78

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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.