Home / 124,186,785.40-186,280,178.10-123,336,479.80

Finding the Fourth Proportional to 124,186,785.40, 186,280,178.10 and 123,336,479.80

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Solution

The fourth proportional to 124,186,785.40, 186,280,178.10 and 123,336,479.80 is: 185,004,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,186,785.40 : 186,280,178.10 = 123,336,479.80 : x
  2. Step 2: Convert to fraction form
    124,186,785.40/186,280,178.10 = 123,336,479.80/x
  3. Step 3: Cross multiply
    124,186,785.40x = 186,280,178.10 × 123,336,479.80
  4. Step 4: Simplify right side
    124,186,785.40x = 22,975,141,423,371,052
  5. Step 5: Solve for x
    x = 22,975,141,423,371,052/124,186,785.40
  6. Step 6: Final answer
    x = 185,004,719.70

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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.