Home / 111,551,135.94-153,944,305.86-61,993,598.40

Finding the Fourth Proportional to 111,551,135.94, 153,944,305.86 and 61,993,598.40

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Solution

The fourth proportional to 111,551,135.94, 153,944,305.86 and 61,993,598.40 is: 85,553,243.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,551,135.94 : 153,944,305.86 = 61,993,598.40 : x
  2. Step 2: Convert to fraction form
    111,551,135.94/153,944,305.86 = 61,993,598.40/x
  3. Step 3: Cross multiply
    111,551,135.94x = 153,944,305.86 × 61,993,598.40
  4. Step 4: Simplify right side
    111,551,135.94x = 9,543,561,473,451,608
  5. Step 5: Solve for x
    x = 9,543,561,473,451,608/111,551,135.94
  6. Step 6: Final answer
    x = 85,553,243.30

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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.