Home / 99,299,432.76-148,970,696.76-30,210,440.78

Finding the Fourth Proportional to 99,299,432.76, 148,970,696.76 and 30,210,440.78

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Solution

The fourth proportional to 99,299,432.76, 148,970,696.76 and 30,210,440.78 is: 45,322,216.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,299,432.76 : 148,970,696.76 = 30,210,440.78 : x
  2. Step 2: Convert to fraction form
    99,299,432.76/148,970,696.76 = 30,210,440.78/x
  3. Step 3: Cross multiply
    99,299,432.76x = 148,970,696.76 × 30,210,440.78
  4. Step 4: Simplify right side
    99,299,432.76x = 4,500,470,412,423,318
  5. Step 5: Solve for x
    x = 4,500,470,412,423,318/99,299,432.76
  6. Step 6: Final answer
    x = 45,322,216.73

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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.