Home / 100,952,003.40-151,428,005.10-64,672,297.80

Finding the Fourth Proportional to 100,952,003.40, 151,428,005.10 and 64,672,297.80

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Solution

The fourth proportional to 100,952,003.40, 151,428,005.10 and 64,672,297.80 is: 97,008,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,952,003.40 : 151,428,005.10 = 64,672,297.80 : x
  2. Step 2: Convert to fraction form
    100,952,003.40/151,428,005.10 = 64,672,297.80/x
  3. Step 3: Cross multiply
    100,952,003.40x = 151,428,005.10 × 64,672,297.80
  4. Step 4: Simplify right side
    100,952,003.40x = 9,793,197,041,087,118
  5. Step 5: Solve for x
    x = 9,793,197,041,087,118/100,952,003.40
  6. Step 6: Final answer
    x = 97,008,446.70

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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.