Home / 111,498,395.92-153,872,149.50-76,290,045.26

Finding the Fourth Proportional to 111,498,395.92, 153,872,149.50 and 76,290,045.26

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Solution

The fourth proportional to 111,498,395.92, 153,872,149.50 and 76,290,045.26 is: 105,283,247.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,498,395.92 : 153,872,149.50 = 76,290,045.26 : x
  2. Step 2: Convert to fraction form
    111,498,395.92/153,872,149.50 = 76,290,045.26/x
  3. Step 3: Cross multiply
    111,498,395.92x = 153,872,149.50 × 76,290,045.26
  4. Step 4: Simplify right side
    111,498,395.92x = 11,738,913,249,608,488
  5. Step 5: Solve for x
    x = 11,738,913,249,608,488/111,498,395.92
  6. Step 6: Final answer
    x = 105,283,247.82

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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.