Home / 124,024,412.72-186,165,900.60-54,985,700.12

Finding the Fourth Proportional to 124,024,412.72, 186,165,900.60 and 54,985,700.12

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Solution

The fourth proportional to 124,024,412.72, 186,165,900.60 and 54,985,700.12 is: 82,535,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,024,412.72 : 186,165,900.60 = 54,985,700.12 : x
  2. Step 2: Convert to fraction form
    124,024,412.72/186,165,900.60 = 54,985,700.12/x
  3. Step 3: Cross multiply
    124,024,412.72x = 186,165,900.60 × 54,985,700.12
  4. Step 4: Simplify right side
    124,024,412.72x = 10,236,462,382,961,328
  5. Step 5: Solve for x
    x = 10,236,462,382,961,328/124,024,412.72
  6. Step 6: Final answer
    x = 82,535,866.60

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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.