Home / 115,908,400.80-173,974,575.60-70,558,768.80

Finding the Fourth Proportional to 115,908,400.80, 173,974,575.60 and 70,558,768.80

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Solution

The fourth proportional to 115,908,400.80, 173,974,575.60 and 70,558,768.80 is: 105,906,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,908,400.80 : 173,974,575.60 = 70,558,768.80 : x
  2. Step 2: Convert to fraction form
    115,908,400.80/173,974,575.60 = 70,558,768.80/x
  3. Step 3: Cross multiply
    115,908,400.80x = 173,974,575.60 × 70,558,768.80
  4. Step 4: Simplify right side
    115,908,400.80x = 12,275,431,856,838,520
  5. Step 5: Solve for x
    x = 12,275,431,856,838,520/115,908,400.80
  6. Step 6: Final answer
    x = 105,906,317.16

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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.