Home / 148,752,139.20-223,128,208.80-112,472,433.60

Finding the Fourth Proportional to 148,752,139.20, 223,128,208.80 and 112,472,433.60

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Solution

The fourth proportional to 148,752,139.20, 223,128,208.80 and 112,472,433.60 is: 168,708,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,752,139.20 : 223,128,208.80 = 112,472,433.60 : x
  2. Step 2: Convert to fraction form
    148,752,139.20/223,128,208.80 = 112,472,433.60/x
  3. Step 3: Cross multiply
    148,752,139.20x = 223,128,208.80 × 112,472,433.60
  4. Step 4: Simplify right side
    148,752,139.20x = 25,095,772,648,544,936
  5. Step 5: Solve for x
    x = 25,095,772,648,544,936/148,752,139.20
  6. Step 6: Final answer
    x = 168,708,650.40

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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.