Home / 57,252,053.70-85,878,080.55-45,914,645.70

Finding the Fourth Proportional to 57,252,053.70, 85,878,080.55 and 45,914,645.70

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Solution

The fourth proportional to 57,252,053.70, 85,878,080.55 and 45,914,645.70 is: 68,871,968.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,252,053.70 : 85,878,080.55 = 45,914,645.70 : x
  2. Step 2: Convert to fraction form
    57,252,053.70/85,878,080.55 = 45,914,645.70/x
  3. Step 3: Cross multiply
    57,252,053.70x = 85,878,080.55 × 45,914,645.70
  4. Step 4: Simplify right side
    57,252,053.70x = 3,943,061,641,849,311.50
  5. Step 5: Solve for x
    x = 3,943,061,641,849,311.50/57,252,053.70
  6. Step 6: Final answer
    x = 68,871,968.55

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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.