Home / 186,863,719.20-280,245,812.40-57,471,079.20

Finding the Fourth Proportional to 186,863,719.20, 280,245,812.40 and 57,471,079.20

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Solution

The fourth proportional to 186,863,719.20, 280,245,812.40 and 57,471,079.20 is: 86,191,312.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,863,719.20 : 280,245,812.40 = 57,471,079.20 : x
  2. Step 2: Convert to fraction form
    186,863,719.20/280,245,812.40 = 57,471,079.20/x
  3. Step 3: Cross multiply
    186,863,719.20x = 280,245,812.40 × 57,471,079.20
  4. Step 4: Simplify right side
    186,863,719.20x = 16,106,029,279,908,742
  5. Step 5: Solve for x
    x = 16,106,029,279,908,742/186,863,719.20
  6. Step 6: Final answer
    x = 86,191,312.84

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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.