Home / 38,328,031.80-57,492,047.70-30,769,759.80

Finding the Fourth Proportional to 38,328,031.80, 57,492,047.70 and 30,769,759.80

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Solution

The fourth proportional to 38,328,031.80, 57,492,047.70 and 30,769,759.80 is: 46,154,639.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,328,031.80 : 57,492,047.70 = 30,769,759.80 : x
  2. Step 2: Convert to fraction form
    38,328,031.80/57,492,047.70 = 30,769,759.80/x
  3. Step 3: Cross multiply
    38,328,031.80x = 57,492,047.70 × 30,769,759.80
  4. Step 4: Simplify right side
    38,328,031.80x = 1,769,016,498,139,142.50
  5. Step 5: Solve for x
    x = 1,769,016,498,139,142.50/38,328,031.80
  6. Step 6: Final answer
    x = 46,154,639.70

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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.