Home / 113,327,740.70-169,991,611.05-88,668,878.30

Finding the Fourth Proportional to 113,327,740.70, 169,991,611.05 and 88,668,878.30

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Solution

The fourth proportional to 113,327,740.70, 169,991,611.05 and 88,668,878.30 is: 133,003,317.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,327,740.70 : 169,991,611.05 = 88,668,878.30 : x
  2. Step 2: Convert to fraction form
    113,327,740.70/169,991,611.05 = 88,668,878.30/x
  3. Step 3: Cross multiply
    113,327,740.70x = 169,991,611.05 × 88,668,878.30
  4. Step 4: Simplify right side
    113,327,740.70x = 15,072,965,472,213,386
  5. Step 5: Solve for x
    x = 15,072,965,472,213,386/113,327,740.70
  6. Step 6: Final answer
    x = 133,003,317.45

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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.