Home / 154,883,002.67-213,730,855.49-85,266,888.87

Finding the Fourth Proportional to 154,883,002.67, 213,730,855.49 and 85,266,888.87

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Solution

The fourth proportional to 154,883,002.67, 213,730,855.49 and 85,266,888.87 is: 117,664,074.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,883,002.67 : 213,730,855.49 = 85,266,888.87 : x
  2. Step 2: Convert to fraction form
    154,883,002.67/213,730,855.49 = 85,266,888.87/x
  3. Step 3: Cross multiply
    154,883,002.67x = 213,730,855.49 × 85,266,888.87
  4. Step 4: Simplify right side
    154,883,002.67x = 18,224,165,104,170,520
  5. Step 5: Solve for x
    x = 18,224,165,104,170,520/154,883,002.67
  6. Step 6: Final answer
    x = 117,664,074.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.