Home / 98,331,261.40-147,370,920.90-87,497,738.20

Finding the Fourth Proportional to 98,331,261.40, 147,370,920.90 and 87,497,738.20

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Solution

The fourth proportional to 98,331,261.40, 147,370,920.90 and 87,497,738.20 is: 131,134,514.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,331,261.40 : 147,370,920.90 = 87,497,738.20 : x
  2. Step 2: Convert to fraction form
    98,331,261.40/147,370,920.90 = 87,497,738.20/x
  3. Step 3: Cross multiply
    98,331,261.40x = 147,370,920.90 × 87,497,738.20
  4. Step 4: Simplify right side
    98,331,261.40x = 12,894,622,255,201,110
  5. Step 5: Solve for x
    x = 12,894,622,255,201,110/98,331,261.40
  6. Step 6: Final answer
    x = 131,134,514.82

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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.