Home / 98,687,776.45-148,045,661.48-30,523,360.45

Finding the Fourth Proportional to 98,687,776.45, 148,045,661.48 and 30,523,360.45

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Solution

The fourth proportional to 98,687,776.45, 148,045,661.48 and 30,523,360.45 is: 45,789,369.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,687,776.45 : 148,045,661.48 = 30,523,360.45 : x
  2. Step 2: Convert to fraction form
    98,687,776.45/148,045,661.48 = 30,523,360.45/x
  3. Step 3: Cross multiply
    98,687,776.45x = 148,045,661.48 × 30,523,360.45
  4. Step 4: Simplify right side
    98,687,776.45x = 4,518,851,088,412,720
  5. Step 5: Solve for x
    x = 4,518,851,088,412,720/98,687,776.45
  6. Step 6: Final answer
    x = 45,789,369.78

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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.