Home / 124,613,721.40-186,920,582.10-83,799,052.60

Finding the Fourth Proportional to 124,613,721.40, 186,920,582.10 and 83,799,052.60

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Solution

The fourth proportional to 124,613,721.40, 186,920,582.10 and 83,799,052.60 is: 125,698,578.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,613,721.40 : 186,920,582.10 = 83,799,052.60 : x
  2. Step 2: Convert to fraction form
    124,613,721.40/186,920,582.10 = 83,799,052.60/x
  3. Step 3: Cross multiply
    124,613,721.40x = 186,920,582.10 × 83,799,052.60
  4. Step 4: Simplify right side
    124,613,721.40x = 15,663,767,691,420,516
  5. Step 5: Solve for x
    x = 15,663,767,691,420,516/124,613,721.40
  6. Step 6: Final answer
    x = 125,698,578.90

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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.