Home / 136,256,587.40-204,384,881.10-99,666,874.55

Finding the Fourth Proportional to 136,256,587.40, 204,384,881.10 and 99,666,874.55

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Solution

The fourth proportional to 136,256,587.40, 204,384,881.10 and 99,666,874.55 is: 149,500,311.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,256,587.40 : 204,384,881.10 = 99,666,874.55 : x
  2. Step 2: Convert to fraction form
    136,256,587.40/204,384,881.10 = 99,666,874.55/x
  3. Step 3: Cross multiply
    136,256,587.40x = 204,384,881.10 × 99,666,874.55
  4. Step 4: Simplify right side
    136,256,587.40x = 20,370,402,304,510,364
  5. Step 5: Solve for x
    x = 20,370,402,304,510,364/136,256,587.40
  6. Step 6: Final answer
    x = 149,500,311.83

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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.