Home / 55,781,047.20-83,671,570.80-30,271,879.20

Finding the Fourth Proportional to 55,781,047.20, 83,671,570.80 and 30,271,879.20

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Solution

The fourth proportional to 55,781,047.20, 83,671,570.80 and 30,271,879.20 is: 45,407,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,781,047.20 : 83,671,570.80 = 30,271,879.20 : x
  2. Step 2: Convert to fraction form
    55,781,047.20/83,671,570.80 = 30,271,879.20/x
  3. Step 3: Cross multiply
    55,781,047.20x = 83,671,570.80 × 30,271,879.20
  4. Step 4: Simplify right side
    55,781,047.20x = 2,532,895,683,731,847
  5. Step 5: Solve for x
    x = 2,532,895,683,731,847/55,781,047.20
  6. Step 6: Final answer
    x = 45,407,818.80

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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.