Home / 98,777,767.60-148,166,651.40-30,641,345.20

Finding the Fourth Proportional to 98,777,767.60, 148,166,651.40 and 30,641,345.20

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Solution

The fourth proportional to 98,777,767.60, 148,166,651.40 and 30,641,345.20 is: 45,962,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,777,767.60 : 148,166,651.40 = 30,641,345.20 : x
  2. Step 2: Convert to fraction form
    98,777,767.60/148,166,651.40 = 30,641,345.20/x
  3. Step 3: Cross multiply
    98,777,767.60x = 148,166,651.40 × 30,641,345.20
  4. Step 4: Simplify right side
    98,777,767.60x = 4,540,025,512,675,463
  5. Step 5: Solve for x
    x = 4,540,025,512,675,463/98,777,767.60
  6. Step 6: Final answer
    x = 45,962,017.80

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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.