Home / 80,476,042.79-111,050,607.25-45,668,733.12

Finding the Fourth Proportional to 80,476,042.79, 111,050,607.25 and 45,668,733.12

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Solution

The fourth proportional to 80,476,042.79, 111,050,607.25 and 45,668,733.12 is: 63,019,258.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,476,042.79 : 111,050,607.25 = 45,668,733.12 : x
  2. Step 2: Convert to fraction form
    80,476,042.79/111,050,607.25 = 45,668,733.12/x
  3. Step 3: Cross multiply
    80,476,042.79x = 111,050,607.25 × 45,668,733.12
  4. Step 4: Simplify right side
    80,476,042.79x = 5,071,540,545,371,273
  5. Step 5: Solve for x
    x = 5,071,540,545,371,273/80,476,042.79
  6. Step 6: Final answer
    x = 63,019,258.52

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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.