Home / 52,409,855.20-78,540,133.20-38,655,666.40

Finding the Fourth Proportional to 52,409,855.20, 78,540,133.20 and 38,655,666.40

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Solution

The fourth proportional to 52,409,855.20, 78,540,133.20 and 38,655,666.40 is: 57,928,440.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,409,855.20 : 78,540,133.20 = 38,655,666.40 : x
  2. Step 2: Convert to fraction form
    52,409,855.20/78,540,133.20 = 38,655,666.40/x
  3. Step 3: Cross multiply
    52,409,855.20x = 78,540,133.20 × 38,655,666.40
  4. Step 4: Simplify right side
    52,409,855.20x = 3,036,021,187,990,764.50
  5. Step 5: Solve for x
    x = 3,036,021,187,990,764.50/52,409,855.20
  6. Step 6: Final answer
    x = 57,928,440.68

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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.