Home / 103,674,421.20-155,511,631.80-62,992,612.65

Finding the Fourth Proportional to 103,674,421.20, 155,511,631.80 and 62,992,612.65

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Solution

The fourth proportional to 103,674,421.20, 155,511,631.80 and 62,992,612.65 is: 94,488,918.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,674,421.20 : 155,511,631.80 = 62,992,612.65 : x
  2. Step 2: Convert to fraction form
    103,674,421.20/155,511,631.80 = 62,992,612.65/x
  3. Step 3: Cross multiply
    103,674,421.20x = 155,511,631.80 × 62,992,612.65
  4. Step 4: Simplify right side
    103,674,421.20x = 9,796,083,984,546,822
  5. Step 5: Solve for x
    x = 9,796,083,984,546,822/103,674,421.20
  6. Step 6: Final answer
    x = 94,488,918.98

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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.