Home / 101,905,000.40-152,857,500.60-67,892,776.40

Finding the Fourth Proportional to 101,905,000.40, 152,857,500.60 and 67,892,776.40

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Solution

The fourth proportional to 101,905,000.40, 152,857,500.60 and 67,892,776.40 is: 101,839,164.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,905,000.40 : 152,857,500.60 = 67,892,776.40 : x
  2. Step 2: Convert to fraction form
    101,905,000.40/152,857,500.60 = 67,892,776.40/x
  3. Step 3: Cross multiply
    101,905,000.40x = 152,857,500.60 × 67,892,776.40
  4. Step 4: Simplify right side
    101,905,000.40x = 10,377,920,109,298,666
  5. Step 5: Solve for x
    x = 10,377,920,109,298,666/101,905,000.40
  6. Step 6: Final answer
    x = 101,839,164.60

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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.