Home / 136,197,205.20-204,295,807.80-112,282,360.20

Finding the Fourth Proportional to 136,197,205.20, 204,295,807.80 and 112,282,360.20

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Solution

The fourth proportional to 136,197,205.20, 204,295,807.80 and 112,282,360.20 is: 168,423,540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,197,205.20 : 204,295,807.80 = 112,282,360.20 : x
  2. Step 2: Convert to fraction form
    136,197,205.20/204,295,807.80 = 112,282,360.20/x
  3. Step 3: Cross multiply
    136,197,205.20x = 204,295,807.80 × 112,282,360.20
  4. Step 4: Simplify right side
    136,197,205.20x = 22,938,815,478,749,572
  5. Step 5: Solve for x
    x = 22,938,815,478,749,572/136,197,205.20
  6. Step 6: Final answer
    x = 168,423,540.30

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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.