Home / 176,768,920.78-243,948,713.30-98,452,509.10

Finding the Fourth Proportional to 176,768,920.78, 243,948,713.30 and 98,452,509.10

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Solution

The fourth proportional to 176,768,920.78, 243,948,713.30 and 98,452,509.10 is: 135,868,696.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,768,920.78 : 243,948,713.30 = 98,452,509.10 : x
  2. Step 2: Convert to fraction form
    176,768,920.78/243,948,713.30 = 98,452,509.10/x
  3. Step 3: Cross multiply
    176,768,920.78x = 243,948,713.30 × 98,452,509.10
  4. Step 4: Simplify right side
    176,768,920.78x = 24,017,362,916,101,540
  5. Step 5: Solve for x
    x = 24,017,362,916,101,540/176,768,920.78
  6. Step 6: Final answer
    x = 135,868,696.88

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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.