Home / 52,653,603.20-78,980,404.80-45,935,139.20

Finding the Fourth Proportional to 52,653,603.20, 78,980,404.80 and 45,935,139.20

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Solution

The fourth proportional to 52,653,603.20, 78,980,404.80 and 45,935,139.20 is: 68,902,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,653,603.20 : 78,980,404.80 = 45,935,139.20 : x
  2. Step 2: Convert to fraction form
    52,653,603.20/78,980,404.80 = 45,935,139.20/x
  3. Step 3: Cross multiply
    52,653,603.20x = 78,980,404.80 × 45,935,139.20
  4. Step 4: Simplify right side
    52,653,603.20x = 3,627,975,888,560,348.50
  5. Step 5: Solve for x
    x = 3,627,975,888,560,348.50/52,653,603.20
  6. Step 6: Final answer
    x = 68,902,708.80

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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.