Home / 55,330,005.70-83,045,200.20-28,055,272.60

Finding the Fourth Proportional to 55,330,005.70, 83,045,200.20 and 28,055,272.60

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Solution

The fourth proportional to 55,330,005.70, 83,045,200.20 and 28,055,272.60 is: 42,108,358.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,330,005.70 : 83,045,200.20 = 28,055,272.60 : x
  2. Step 2: Convert to fraction form
    55,330,005.70/83,045,200.20 = 28,055,272.60/x
  3. Step 3: Cross multiply
    55,330,005.70x = 83,045,200.20 × 28,055,272.60
  4. Step 4: Simplify right side
    55,330,005.70x = 2,329,855,729,732,574.50
  5. Step 5: Solve for x
    x = 2,329,855,729,732,574.50/55,330,005.70
  6. Step 6: Final answer
    x = 42,108,358.75

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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.