Home / 124,416,909.40-186,625,364.10-76,574,810.20

Finding the Fourth Proportional to 124,416,909.40, 186,625,364.10 and 76,574,810.20

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Solution

The fourth proportional to 124,416,909.40, 186,625,364.10 and 76,574,810.20 is: 114,862,215.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,909.40 : 186,625,364.10 = 76,574,810.20 : x
  2. Step 2: Convert to fraction form
    124,416,909.40/186,625,364.10 = 76,574,810.20/x
  3. Step 3: Cross multiply
    124,416,909.40x = 186,625,364.10 × 76,574,810.20
  4. Step 4: Simplify right side
    124,416,909.40x = 14,290,801,834,463,394
  5. Step 5: Solve for x
    x = 14,290,801,834,463,394/124,416,909.40
  6. Step 6: Final answer
    x = 114,862,215.30

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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.