Home / 98,857,073.60-148,285,610.40-82,060,913.60

Finding the Fourth Proportional to 98,857,073.60, 148,285,610.40 and 82,060,913.60

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Solution

The fourth proportional to 98,857,073.60, 148,285,610.40 and 82,060,913.60 is: 123,091,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,857,073.60 : 148,285,610.40 = 82,060,913.60 : x
  2. Step 2: Convert to fraction form
    98,857,073.60/148,285,610.40 = 82,060,913.60/x
  3. Step 3: Cross multiply
    98,857,073.60x = 148,285,610.40 × 82,060,913.60
  4. Step 4: Simplify right side
    98,857,073.60x = 12,168,452,663,157,662
  5. Step 5: Solve for x
    x = 12,168,452,663,157,662/98,857,073.60
  6. Step 6: Final answer
    x = 123,091,370.40

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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.