Home / 74,844,829.20-112,267,243.80-54,689,437.20

Finding the Fourth Proportional to 74,844,829.20, 112,267,243.80 and 54,689,437.20

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Solution

The fourth proportional to 74,844,829.20, 112,267,243.80 and 54,689,437.20 is: 82,034,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,844,829.20 : 112,267,243.80 = 54,689,437.20 : x
  2. Step 2: Convert to fraction form
    74,844,829.20/112,267,243.80 = 54,689,437.20/x
  3. Step 3: Cross multiply
    74,844,829.20x = 112,267,243.80 × 54,689,437.20
  4. Step 4: Simplify right side
    74,844,829.20x = 6,139,832,379,417,190
  5. Step 5: Solve for x
    x = 6,139,832,379,417,190/74,844,829.20
  6. Step 6: Final answer
    x = 82,034,155.80

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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.