Home / 124,417,080.40-186,625,620.60-76,574,981.20

Finding the Fourth Proportional to 124,417,080.40, 186,625,620.60 and 76,574,981.20

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Solution

The fourth proportional to 124,417,080.40, 186,625,620.60 and 76,574,981.20 is: 114,862,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,417,080.40 : 186,625,620.60 = 76,574,981.20 : x
  2. Step 2: Convert to fraction form
    124,417,080.40/186,625,620.60 = 76,574,981.20/x
  3. Step 3: Cross multiply
    124,417,080.40x = 186,625,620.60 × 76,574,981.20
  4. Step 4: Simplify right side
    124,417,080.40x = 14,290,853,388,883,332
  5. Step 5: Solve for x
    x = 14,290,853,388,883,332/124,417,080.40
  6. Step 6: Final answer
    x = 114,862,471.80

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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.