Home / 162,328,957.08-224,007,959.22-87,987,921.45

Finding the Fourth Proportional to 162,328,957.08, 224,007,959.22 and 87,987,921.45

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Solution

The fourth proportional to 162,328,957.08, 224,007,959.22 and 87,987,921.45 is: 121,420,078.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,328,957.08 : 224,007,959.22 = 87,987,921.45 : x
  2. Step 2: Convert to fraction form
    162,328,957.08/224,007,959.22 = 87,987,921.45/x
  3. Step 3: Cross multiply
    162,328,957.08x = 224,007,959.22 × 87,987,921.45
  4. Step 4: Simplify right side
    162,328,957.08x = 19,709,994,721,205,216
  5. Step 5: Solve for x
    x = 19,709,994,721,205,216/162,328,957.08
  6. Step 6: Final answer
    x = 121,420,078.56

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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.