Home / 57,914,563.20-86,871,844.80-42,798,019.20

Finding the Fourth Proportional to 57,914,563.20, 86,871,844.80 and 42,798,019.20

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Solution

The fourth proportional to 57,914,563.20, 86,871,844.80 and 42,798,019.20 is: 64,197,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,914,563.20 : 86,871,844.80 = 42,798,019.20 : x
  2. Step 2: Convert to fraction form
    57,914,563.20/86,871,844.80 = 42,798,019.20/x
  3. Step 3: Cross multiply
    57,914,563.20x = 86,871,844.80 × 42,798,019.20
  4. Step 4: Simplify right side
    57,914,563.20x = 3,717,942,881,689,820.50
  5. Step 5: Solve for x
    x = 3,717,942,881,689,820.50/57,914,563.20
  6. Step 6: Final answer
    x = 64,197,028.80

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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.