Home / 98,331,212.40-147,370,847.40-87,497,689.20

Finding the Fourth Proportional to 98,331,212.40, 147,370,847.40 and 87,497,689.20

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Solution

The fourth proportional to 98,331,212.40, 147,370,847.40 and 87,497,689.20 is: 131,134,441.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,331,212.40 : 147,370,847.40 = 87,497,689.20 : x
  2. Step 2: Convert to fraction form
    98,331,212.40/147,370,847.40 = 87,497,689.20/x
  3. Step 3: Cross multiply
    98,331,212.40x = 147,370,847.40 × 87,497,689.20
  4. Step 4: Simplify right side
    98,331,212.40x = 12,894,608,602,945,830
  5. Step 5: Solve for x
    x = 12,894,608,602,945,830/98,331,212.40
  6. Step 6: Final answer
    x = 131,134,441.33

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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.