Home / 86,144,029.20-129,134,308.32-34,360,476.48

Finding the Fourth Proportional to 86,144,029.20, 129,134,308.32 and 34,360,476.48

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Solution

The fourth proportional to 86,144,029.20, 129,134,308.32 and 34,360,476.48 is: 51,508,112.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,144,029.20 : 129,134,308.32 = 34,360,476.48 : x
  2. Step 2: Convert to fraction form
    86,144,029.20/129,134,308.32 = 34,360,476.48/x
  3. Step 3: Cross multiply
    86,144,029.20x = 129,134,308.32 × 34,360,476.48
  4. Step 4: Simplify right side
    86,144,029.20x = 4,437,116,363,790,427.50
  5. Step 5: Solve for x
    x = 4,437,116,363,790,427.50/86,144,029.20
  6. Step 6: Final answer
    x = 51,508,112.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.