Home / 45,688,145.40-68,532,218.10-43,672,606.20

Finding the Fourth Proportional to 45,688,145.40, 68,532,218.10 and 43,672,606.20

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Solution

The fourth proportional to 45,688,145.40, 68,532,218.10 and 43,672,606.20 is: 65,508,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,688,145.40 : 68,532,218.10 = 43,672,606.20 : x
  2. Step 2: Convert to fraction form
    45,688,145.40/68,532,218.10 = 43,672,606.20/x
  3. Step 3: Cross multiply
    45,688,145.40x = 68,532,218.10 × 43,672,606.20
  4. Step 4: Simplify right side
    45,688,145.40x = 2,992,980,573,093,812
  5. Step 5: Solve for x
    x = 2,992,980,573,093,812/45,688,145.40
  6. Step 6: Final answer
    x = 65,508,909.30

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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.