Home / 112,149,034.76-154,762,195.38-63,255,758.60

Finding the Fourth Proportional to 112,149,034.76, 154,762,195.38 and 63,255,758.60

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Solution

The fourth proportional to 112,149,034.76, 154,762,195.38 and 63,255,758.60 is: 87,290,988.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,149,034.76 : 154,762,195.38 = 63,255,758.60 : x
  2. Step 2: Convert to fraction form
    112,149,034.76/154,762,195.38 = 63,255,758.60/x
  3. Step 3: Cross multiply
    112,149,034.76x = 154,762,195.38 × 63,255,758.60
  4. Step 4: Simplify right side
    112,149,034.76x = 9,789,600,071,363,316
  5. Step 5: Solve for x
    x = 9,789,600,071,363,316/112,149,034.76
  6. Step 6: Final answer
    x = 87,290,988.21

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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.