Home / 98,780,095.45-148,175,741.90-30,632,475.61

Finding the Fourth Proportional to 98,780,095.45, 148,175,741.90 and 30,632,475.61

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Solution

The fourth proportional to 98,780,095.45, 148,175,741.90 and 30,632,475.61 is: 45,950,449.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,780,095.45 : 148,175,741.90 = 30,632,475.61 : x
  2. Step 2: Convert to fraction form
    98,780,095.45/148,175,741.90 = 30,632,475.61/x
  3. Step 3: Cross multiply
    98,780,095.45x = 148,175,741.90 × 30,632,475.61
  4. Step 4: Simplify right side
    98,780,095.45x = 4,538,989,799,592,243
  5. Step 5: Solve for x
    x = 4,538,989,799,592,243/98,780,095.45
  6. Step 6: Final answer
    x = 45,950,449.62

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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.