Home / 144,010,207.77-198,712,708.20-87,465,528.90

Finding the Fourth Proportional to 144,010,207.77, 198,712,708.20 and 87,465,528.90

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Solution

The fourth proportional to 144,010,207.77, 198,712,708.20 and 87,465,528.90 is: 120,689,445.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,010,207.77 : 198,712,708.20 = 87,465,528.90 : x
  2. Step 2: Convert to fraction form
    144,010,207.77/198,712,708.20 = 87,465,528.90/x
  3. Step 3: Cross multiply
    144,010,207.77x = 198,712,708.20 × 87,465,528.90
  4. Step 4: Simplify right side
    144,010,207.77x = 17,380,512,121,864,368
  5. Step 5: Solve for x
    x = 17,380,512,121,864,368/144,010,207.77
  6. Step 6: Final answer
    x = 120,689,445.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.