Home / 142,374,454.50-213,446,754.75-130,882,368.11

Finding the Fourth Proportional to 142,374,454.50, 213,446,754.75 and 130,882,368.11

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Solution

The fourth proportional to 142,374,454.50, 213,446,754.75 and 130,882,368.11 is: 196,217,901.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,374,454.50 : 213,446,754.75 = 130,882,368.11 : x
  2. Step 2: Convert to fraction form
    142,374,454.50/213,446,754.75 = 130,882,368.11/x
  3. Step 3: Cross multiply
    142,374,454.50x = 213,446,754.75 × 130,882,368.11
  4. Step 4: Simplify right side
    142,374,454.50x = 27,936,416,727,697,536
  5. Step 5: Solve for x
    x = 27,936,416,727,697,536/142,374,454.50
  6. Step 6: Final answer
    x = 196,217,901.78

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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.