Home / 55,767,062.80-83,680,315.80-21,689,520.40

Finding the Fourth Proportional to 55,767,062.80, 83,680,315.80 and 21,689,520.40

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Solution

The fourth proportional to 55,767,062.80, 83,680,315.80 and 21,689,520.40 is: 32,545,840.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,767,062.80 : 83,680,315.80 = 21,689,520.40 : x
  2. Step 2: Convert to fraction form
    55,767,062.80/83,680,315.80 = 21,689,520.40/x
  3. Step 3: Cross multiply
    55,767,062.80x = 83,680,315.80 × 21,689,520.40
  4. Step 4: Simplify right side
    55,767,062.80x = 1,814,985,916,622,542.25
  5. Step 5: Solve for x
    x = 1,814,985,916,622,542.25/55,767,062.80
  6. Step 6: Final answer
    x = 32,545,840.24

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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.