Home / 66,434,740.20-99,652,110.30-49,428,628.20

Finding the Fourth Proportional to 66,434,740.20, 99,652,110.30 and 49,428,628.20

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Solution

The fourth proportional to 66,434,740.20, 99,652,110.30 and 49,428,628.20 is: 74,142,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434,740.20 : 99,652,110.30 = 49,428,628.20 : x
  2. Step 2: Convert to fraction form
    66,434,740.20/99,652,110.30 = 49,428,628.20/x
  3. Step 3: Cross multiply
    66,434,740.20x = 99,652,110.30 × 49,428,628.20
  4. Step 4: Simplify right side
    66,434,740.20x = 4,925,667,109,364,091
  5. Step 5: Solve for x
    x = 4,925,667,109,364,091/66,434,740.20
  6. Step 6: Final answer
    x = 74,142,942.30

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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.