Home / 157,466,390.40-236,199,585.60-76,844,822.40

Finding the Fourth Proportional to 157,466,390.40, 236,199,585.60 and 76,844,822.40

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Solution

The fourth proportional to 157,466,390.40, 236,199,585.60 and 76,844,822.40 is: 115,267,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,466,390.40 : 236,199,585.60 = 76,844,822.40 : x
  2. Step 2: Convert to fraction form
    157,466,390.40/236,199,585.60 = 76,844,822.40/x
  3. Step 3: Cross multiply
    157,466,390.40x = 236,199,585.60 × 76,844,822.40
  4. Step 4: Simplify right side
    157,466,390.40x = 18,150,715,206,385,600
  5. Step 5: Solve for x
    x = 18,150,715,206,385,600/157,466,390.40
  6. Step 6: Final answer
    x = 115,267,233.60

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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.