Home / 161,495,934.27-222,834,991.74-90,920,569.47

Finding the Fourth Proportional to 161,495,934.27, 222,834,991.74 and 90,920,569.47

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Solution

The fourth proportional to 161,495,934.27, 222,834,991.74 and 90,920,569.47 is: 125,453,835.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,495,934.27 : 222,834,991.74 = 90,920,569.47 : x
  2. Step 2: Convert to fraction form
    161,495,934.27/222,834,991.74 = 90,920,569.47/x
  3. Step 3: Cross multiply
    161,495,934.27x = 222,834,991.74 × 90,920,569.47
  4. Step 4: Simplify right side
    161,495,934.27x = 20,260,284,346,843,548
  5. Step 5: Solve for x
    x = 20,260,284,346,843,548/161,495,934.27
  6. Step 6: Final answer
    x = 125,453,835.35

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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.