Home / 162,164,850.71-223,786,384.79-87,823,701.53

Finding the Fourth Proportional to 162,164,850.71, 223,786,384.79 and 87,823,701.53

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Solution

The fourth proportional to 162,164,850.71, 223,786,384.79 and 87,823,701.53 is: 121,196,107.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,164,850.71 : 223,786,384.79 = 87,823,701.53 : x
  2. Step 2: Convert to fraction form
    162,164,850.71/223,786,384.79 = 87,823,701.53/x
  3. Step 3: Cross multiply
    162,164,850.71x = 223,786,384.79 × 87,823,701.53
  4. Step 4: Simplify right side
    162,164,850.71x = 19,653,748,663,375,320
  5. Step 5: Solve for x
    x = 19,653,748,663,375,320/162,164,850.71
  6. Step 6: Final answer
    x = 121,196,107.41

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1.5x scale

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.