Home / 124,024,402.80-186,165,885.78-54,985,690.22

Finding the Fourth Proportional to 124,024,402.80, 186,165,885.78 and 54,985,690.22

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Solution

The fourth proportional to 124,024,402.80, 186,165,885.78 and 54,985,690.22 is: 82,535,851.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,024,402.80 : 186,165,885.78 = 54,985,690.22 : x
  2. Step 2: Convert to fraction form
    124,024,402.80/186,165,885.78 = 54,985,690.22/x
  3. Step 3: Cross multiply
    124,024,402.80x = 186,165,885.78 × 54,985,690.22
  4. Step 4: Simplify right side
    124,024,402.80x = 10,236,459,724,100,154
  5. Step 5: Solve for x
    x = 10,236,459,724,100,154/124,024,402.80
  6. Step 6: Final answer
    x = 82,535,851.76

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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.