Home / 124,213,917.18-171,415,870.38-71,286,404.28

Finding the Fourth Proportional to 124,213,917.18, 171,415,870.38 and 71,286,404.28

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Solution

The fourth proportional to 124,213,917.18, 171,415,870.38 and 71,286,404.28 is: 98,375,619.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,213,917.18 : 171,415,870.38 = 71,286,404.28 : x
  2. Step 2: Convert to fraction form
    124,213,917.18/171,415,870.38 = 71,286,404.28/x
  3. Step 3: Cross multiply
    124,213,917.18x = 171,415,870.38 × 71,286,404.28
  4. Step 4: Simplify right side
    124,213,917.18x = 12,219,621,035,916,758
  5. Step 5: Solve for x
    x = 12,219,621,035,916,758/124,213,917.18
  6. Step 6: Final answer
    x = 98,375,619.36

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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.