Home / 124,472,647.20-186,702,221.52-38,211,068.64

Finding the Fourth Proportional to 124,472,647.20, 186,702,221.52 and 38,211,068.64

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Solution

The fourth proportional to 124,472,647.20, 186,702,221.52 and 38,211,068.64 is: 57,314,531.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,472,647.20 : 186,702,221.52 = 38,211,068.64 : x
  2. Step 2: Convert to fraction form
    124,472,647.20/186,702,221.52 = 38,211,068.64/x
  3. Step 3: Cross multiply
    124,472,647.20x = 186,702,221.52 × 38,211,068.64
  4. Step 4: Simplify right side
    124,472,647.20x = 7,134,091,401,741,206
  5. Step 5: Solve for x
    x = 7,134,091,401,741,206/124,472,647.20
  6. Step 6: Final answer
    x = 57,314,531.04

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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.