Home / 111,568,155.12-153,968,000.92-62,009,517.04

Finding the Fourth Proportional to 111,568,155.12, 153,968,000.92 and 62,009,517.04

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Solution

The fourth proportional to 111,568,155.12, 153,968,000.92 and 62,009,517.04 is: 85,575,327.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,568,155.12 : 153,968,000.92 = 62,009,517.04 : x
  2. Step 2: Convert to fraction form
    111,568,155.12/153,968,000.92 = 62,009,517.04/x
  3. Step 3: Cross multiply
    111,568,155.12x = 153,968,000.92 × 62,009,517.04
  4. Step 4: Simplify right side
    111,568,155.12x = 9,547,481,376,663,474
  5. Step 5: Solve for x
    x = 9,547,481,376,663,474/111,568,155.12
  6. Step 6: Final answer
    x = 85,575,327.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.