Home / 543,834,207.40-815,751,311.10-134,890,357.90

Finding the Fourth Proportional to 543,834,207.40, 815,751,311.10 and 134,890,357.90

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Solution

The fourth proportional to 543,834,207.40, 815,751,311.10 and 134,890,357.90 is: 202,335,536.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,834,207.40 : 815,751,311.10 = 134,890,357.90 : x
  2. Step 2: Convert to fraction form
    543,834,207.40/815,751,311.10 = 134,890,357.90/x
  3. Step 3: Cross multiply
    543,834,207.40x = 815,751,311.10 × 134,890,357.90
  4. Step 4: Simplify right side
    543,834,207.40x = 110,036,986,311,673,248
  5. Step 5: Solve for x
    x = 110,036,986,311,673,248/543,834,207.40
  6. Step 6: Final answer
    x = 202,335,536.85

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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.