Home / 145,082,257.76-217,708,417.20-104,097,527.84

Finding the Fourth Proportional to 145,082,257.76, 217,708,417.20 and 104,097,527.84

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Solution

The fourth proportional to 145,082,257.76, 217,708,417.20 and 104,097,527.84 is: 156,207,301.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,082,257.76 : 217,708,417.20 = 104,097,527.84 : x
  2. Step 2: Convert to fraction form
    145,082,257.76/217,708,417.20 = 104,097,527.84/x
  3. Step 3: Cross multiply
    145,082,257.76x = 217,708,417.20 × 104,097,527.84
  4. Step 4: Simplify right side
    145,082,257.76x = 22,662,908,020,479,336
  5. Step 5: Solve for x
    x = 22,662,908,020,479,336/145,082,257.76
  6. Step 6: Final answer
    x = 156,207,301.78

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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.