Home / 130,908,142.24-180,523,801.92-111,115,954.24

Finding the Fourth Proportional to 130,908,142.24, 180,523,801.92 and 111,115,954.24

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Solution

The fourth proportional to 130,908,142.24, 180,523,801.92 and 111,115,954.24 is: 153,230,151.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,908,142.24 : 180,523,801.92 = 111,115,954.24 : x
  2. Step 2: Convert to fraction form
    130,908,142.24/180,523,801.92 = 111,115,954.24/x
  3. Step 3: Cross multiply
    130,908,142.24x = 180,523,801.92 × 111,115,954.24
  4. Step 4: Simplify right side
    130,908,142.24x = 20,059,074,513,373,540
  5. Step 5: Solve for x
    x = 20,059,074,513,373,540/130,908,142.24
  6. Step 6: Final answer
    x = 153,230,151.85

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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.