Home / 162,328,957.58-224,007,959.92-87,987,921.96

Finding the Fourth Proportional to 162,328,957.58, 224,007,959.92 and 87,987,921.96

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Solution

The fourth proportional to 162,328,957.58, 224,007,959.92 and 87,987,921.96 is: 121,420,079.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,328,957.58 : 224,007,959.92 = 87,987,921.96 : x
  2. Step 2: Convert to fraction form
    162,328,957.58/224,007,959.92 = 87,987,921.96/x
  3. Step 3: Cross multiply
    162,328,957.58x = 224,007,959.92 × 87,987,921.96
  4. Step 4: Simplify right side
    162,328,957.58x = 19,709,994,894,299,788
  5. Step 5: Solve for x
    x = 19,709,994,894,299,788/162,328,957.58
  6. Step 6: Final answer
    x = 121,420,079.25

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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.