Home / 115,157,853.84-158,917,826.88-62,947,099.20

Finding the Fourth Proportional to 115,157,853.84, 158,917,826.88 and 62,947,099.20

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Solution

The fourth proportional to 115,157,853.84, 158,917,826.88 and 62,947,099.20 is: 86,866,990.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,157,853.84 : 158,917,826.88 = 62,947,099.20 : x
  2. Step 2: Convert to fraction form
    115,157,853.84/158,917,826.88 = 62,947,099.20/x
  3. Step 3: Cross multiply
    115,157,853.84x = 158,917,826.88 × 62,947,099.20
  4. Step 4: Simplify right side
    115,157,853.84x = 10,003,416,213,263,786
  5. Step 5: Solve for x
    x = 10,003,416,213,263,786/115,157,853.84
  6. Step 6: Final answer
    x = 86,866,990.65

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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.