Home / 55,509,648.10-83,312,301.84-38,482,278.46

Finding the Fourth Proportional to 55,509,648.10, 83,312,301.84 and 38,482,278.46

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Solution

The fourth proportional to 55,509,648.10, 83,312,301.84 and 38,482,278.46 is: 57,756,575.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,509,648.10 : 83,312,301.84 = 38,482,278.46 : x
  2. Step 2: Convert to fraction form
    55,509,648.10/83,312,301.84 = 38,482,278.46/x
  3. Step 3: Cross multiply
    55,509,648.10x = 83,312,301.84 × 38,482,278.46
  4. Step 4: Simplify right side
    55,509,648.10x = 3,206,047,198,550,450.50
  5. Step 5: Solve for x
    x = 3,206,047,198,550,450.50/55,509,648.10
  6. Step 6: Final answer
    x = 57,756,575.81

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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.