Home / 112,993,149.60-169,489,724.40-87,483,981.60

Finding the Fourth Proportional to 112,993,149.60, 169,489,724.40 and 87,483,981.60

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Solution

The fourth proportional to 112,993,149.60, 169,489,724.40 and 87,483,981.60 is: 131,225,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,993,149.60 : 169,489,724.40 = 87,483,981.60 : x
  2. Step 2: Convert to fraction form
    112,993,149.60/169,489,724.40 = 87,483,981.60/x
  3. Step 3: Cross multiply
    112,993,149.60x = 169,489,724.40 × 87,483,981.60
  4. Step 4: Simplify right side
    112,993,149.60x = 14,827,635,930,798,670
  5. Step 5: Solve for x
    x = 14,827,635,930,798,670/112,993,149.60
  6. Step 6: Final answer
    x = 131,225,972.40

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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.