Home / 142,560,691.20-213,841,036.80-34,855,315.20

Finding the Fourth Proportional to 142,560,691.20, 213,841,036.80 and 34,855,315.20

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Solution

The fourth proportional to 142,560,691.20, 213,841,036.80 and 34,855,315.20 is: 52,282,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,560,691.20 : 213,841,036.80 = 34,855,315.20 : x
  2. Step 2: Convert to fraction form
    142,560,691.20/213,841,036.80 = 34,855,315.20/x
  3. Step 3: Cross multiply
    142,560,691.20x = 213,841,036.80 × 34,855,315.20
  4. Step 4: Simplify right side
    142,560,691.20x = 7,453,496,740,358,800
  5. Step 5: Solve for x
    x = 7,453,496,740,358,800/142,560,691.20
  6. Step 6: Final answer
    x = 52,282,972.80

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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.