Home / 45,688,300.90-68,532,451.35-43,672,761.70

Finding the Fourth Proportional to 45,688,300.90, 68,532,451.35 and 43,672,761.70

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Solution

The fourth proportional to 45,688,300.90, 68,532,451.35 and 43,672,761.70 is: 65,509,142.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,688,300.90 : 68,532,451.35 = 43,672,761.70 : x
  2. Step 2: Convert to fraction form
    45,688,300.90/68,532,451.35 = 43,672,761.70/x
  3. Step 3: Cross multiply
    45,688,300.90x = 68,532,451.35 × 43,672,761.70
  4. Step 4: Simplify right side
    45,688,300.90x = 2,993,001,416,525,393
  5. Step 5: Solve for x
    x = 2,993,001,416,525,393/45,688,300.90
  6. Step 6: Final answer
    x = 65,509,142.55

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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.