Home / 136,630,490.94-188,632,084.76-84,489,436.62

Finding the Fourth Proportional to 136,630,490.94, 188,632,084.76 and 84,489,436.62

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Solution

The fourth proportional to 136,630,490.94, 188,632,084.76 and 84,489,436.62 is: 116,646,134.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,630,490.94 : 188,632,084.76 = 84,489,436.62 : x
  2. Step 2: Convert to fraction form
    136,630,490.94/188,632,084.76 = 84,489,436.62/x
  3. Step 3: Cross multiply
    136,630,490.94x = 188,632,084.76 × 84,489,436.62
  4. Step 4: Simplify right side
    136,630,490.94x = 15,937,418,569,828,488
  5. Step 5: Solve for x
    x = 15,937,418,569,828,488/136,630,490.94
  6. Step 6: Final answer
    x = 116,646,134.11

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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.