Home / 124,518,744.15-186,891,458.85-66,275,320.13

Finding the Fourth Proportional to 124,518,744.15, 186,891,458.85 and 66,275,320.13

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Solution

The fourth proportional to 124,518,744.15, 186,891,458.85 and 66,275,320.13 is: 99,473,307.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,518,744.15 : 186,891,458.85 = 66,275,320.13 : x
  2. Step 2: Convert to fraction form
    124,518,744.15/186,891,458.85 = 66,275,320.13/x
  3. Step 3: Cross multiply
    124,518,744.15x = 186,891,458.85 × 66,275,320.13
  4. Step 4: Simplify right side
    124,518,744.15x = 12,386,291,263,912,014
  5. Step 5: Solve for x
    x = 12,386,291,263,912,014/124,518,744.15
  6. Step 6: Final answer
    x = 99,473,307.00

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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.