Home / 124,428,122.40-186,642,183.60-73,283,815.20

Finding the Fourth Proportional to 124,428,122.40, 186,642,183.60 and 73,283,815.20

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Solution

The fourth proportional to 124,428,122.40, 186,642,183.60 and 73,283,815.20 is: 109,925,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,428,122.40 : 186,642,183.60 = 73,283,815.20 : x
  2. Step 2: Convert to fraction form
    124,428,122.40/186,642,183.60 = 73,283,815.20/x
  3. Step 3: Cross multiply
    124,428,122.40x = 186,642,183.60 × 73,283,815.20
  4. Step 4: Simplify right side
    124,428,122.40x = 13,677,851,291,466,870
  5. Step 5: Solve for x
    x = 13,677,851,291,466,870/124,428,122.40
  6. Step 6: Final answer
    x = 109,925,722.80

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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.