Home / 124,477,012.70-186,715,519.05-88,126,448.30

Finding the Fourth Proportional to 124,477,012.70, 186,715,519.05 and 88,126,448.30

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Solution

The fourth proportional to 124,477,012.70, 186,715,519.05 and 88,126,448.30 is: 132,189,672.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,477,012.70 : 186,715,519.05 = 88,126,448.30 : x
  2. Step 2: Convert to fraction form
    124,477,012.70/186,715,519.05 = 88,126,448.30/x
  3. Step 3: Cross multiply
    124,477,012.70x = 186,715,519.05 × 88,126,448.30
  4. Step 4: Simplify right side
    124,477,012.70x = 16,454,575,536,367,490
  5. Step 5: Solve for x
    x = 16,454,575,536,367,490/124,477,012.70
  6. Step 6: Final answer
    x = 132,189,672.45

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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.