Home / 89,166,077.40-133,749,116.10-75,561,187.80

Finding the Fourth Proportional to 89,166,077.40, 133,749,116.10 and 75,561,187.80

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Solution

The fourth proportional to 89,166,077.40, 133,749,116.10 and 75,561,187.80 is: 113,341,781.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,166,077.40 : 133,749,116.10 = 75,561,187.80 : x
  2. Step 2: Convert to fraction form
    89,166,077.40/133,749,116.10 = 75,561,187.80/x
  3. Step 3: Cross multiply
    89,166,077.40x = 133,749,116.10 × 75,561,187.80
  4. Step 4: Simplify right side
    89,166,077.40x = 10,106,242,079,716,102
  5. Step 5: Solve for x
    x = 10,106,242,079,716,102/89,166,077.40
  6. Step 6: Final answer
    x = 113,341,781.70

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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.