Home / 185,420,655.20-278,129,600.40-56,028,015.20

Finding the Fourth Proportional to 185,420,655.20, 278,129,600.40 and 56,028,015.20

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Solution

The fourth proportional to 185,420,655.20, 278,129,600.40 and 56,028,015.20 is: 84,041,605.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,420,655.20 : 278,129,600.40 = 56,028,015.20 : x
  2. Step 2: Convert to fraction form
    185,420,655.20/278,129,600.40 = 56,028,015.20/x
  3. Step 3: Cross multiply
    185,420,655.20x = 278,129,600.40 × 56,028,015.20
  4. Step 4: Simplify right side
    185,420,655.20x = 15,583,049,478,781,126
  5. Step 5: Solve for x
    x = 15,583,049,478,781,126/185,420,655.20
  6. Step 6: Final answer
    x = 84,041,605.08

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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.