Home / 242,050,179.60-361,187,418.06-215,963,151.57

Finding the Fourth Proportional to 242,050,179.60, 361,187,418.06 and 215,963,151.57

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Solution

The fourth proportional to 242,050,179.60, 361,187,418.06 and 215,963,151.57 is: 322,260,339.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,050,179.60 : 361,187,418.06 = 215,963,151.57 : x
  2. Step 2: Convert to fraction form
    242,050,179.60/361,187,418.06 = 215,963,151.57/x
  3. Step 3: Cross multiply
    242,050,179.60x = 361,187,418.06 × 215,963,151.57
  4. Step 4: Simplify right side
    242,050,179.60x = 78,003,173,111,668,736
  5. Step 5: Solve for x
    x = 78,003,173,111,668,736/242,050,179.60
  6. Step 6: Final answer
    x = 322,260,339.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.