Home / 99,670,207.70-149,505,311.55-93,611,780.30

Finding the Fourth Proportional to 99,670,207.70, 149,505,311.55 and 93,611,780.30

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Solution

The fourth proportional to 99,670,207.70, 149,505,311.55 and 93,611,780.30 is: 140,417,670.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,670,207.70 : 149,505,311.55 = 93,611,780.30 : x
  2. Step 2: Convert to fraction form
    99,670,207.70/149,505,311.55 = 93,611,780.30/x
  3. Step 3: Cross multiply
    99,670,207.70x = 149,505,311.55 × 93,611,780.30
  4. Step 4: Simplify right side
    99,670,207.70x = 13,995,458,378,501,654
  5. Step 5: Solve for x
    x = 13,995,458,378,501,654/99,670,207.70
  6. Step 6: Final answer
    x = 140,417,670.45

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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.