Home / 111,551,193.36-153,944,385.30-61,993,655.91

Finding the Fourth Proportional to 111,551,193.36, 153,944,385.30 and 61,993,655.91

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Solution

The fourth proportional to 111,551,193.36, 153,944,385.30 and 61,993,655.91 is: 85,553,322.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,551,193.36 : 153,944,385.30 = 61,993,655.91 : x
  2. Step 2: Convert to fraction form
    111,551,193.36/153,944,385.30 = 61,993,655.91/x
  3. Step 3: Cross multiply
    111,551,193.36x = 153,944,385.30 × 61,993,655.91
  4. Step 4: Simplify right side
    111,551,193.36x = 9,543,575,251,564,662
  5. Step 5: Solve for x
    x = 9,543,575,251,564,662/111,551,193.36
  6. Step 6: Final answer
    x = 85,553,322.78

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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.