Home / 212,632,497.60-319,098,045.60-91,550,846.40

Finding the Fourth Proportional to 212,632,497.60, 319,098,045.60 and 91,550,846.40

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Solution

The fourth proportional to 212,632,497.60, 319,098,045.60 and 91,550,846.40 is: 137,390,551.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,632,497.60 : 319,098,045.60 = 91,550,846.40 : x
  2. Step 2: Convert to fraction form
    212,632,497.60/319,098,045.60 = 91,550,846.40/x
  3. Step 3: Cross multiply
    212,632,497.60x = 319,098,045.60 × 91,550,846.40
  4. Step 4: Simplify right side
    212,632,497.60x = 29,213,696,159,265,800
  5. Step 5: Solve for x
    x = 29,213,696,159,265,800/212,632,497.60
  6. Step 6: Final answer
    x = 137,390,551.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.