Home / 162,164,851.08-223,786,385.31-87,823,701.90

Finding the Fourth Proportional to 162,164,851.08, 223,786,385.31 and 87,823,701.90

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Solution

The fourth proportional to 162,164,851.08, 223,786,385.31 and 87,823,701.90 is: 121,196,107.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,164,851.08 : 223,786,385.31 = 87,823,701.90 : x
  2. Step 2: Convert to fraction form
    162,164,851.08/223,786,385.31 = 87,823,701.90/x
  3. Step 3: Cross multiply
    162,164,851.08x = 223,786,385.31 × 87,823,701.90
  4. Step 4: Simplify right side
    162,164,851.08x = 19,653,748,792,743,980
  5. Step 5: Solve for x
    x = 19,653,748,792,743,980/162,164,851.08
  6. Step 6: Final answer
    x = 121,196,107.92

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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.