Home / 154,883,002.66-213,730,855.50-85,266,888.86

Finding the Fourth Proportional to 154,883,002.66, 213,730,855.50 and 85,266,888.86

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Solution

The fourth proportional to 154,883,002.66, 213,730,855.50 and 85,266,888.86 is: 117,664,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,883,002.66 : 213,730,855.50 = 85,266,888.86 : x
  2. Step 2: Convert to fraction form
    154,883,002.66/213,730,855.50 = 85,266,888.86/x
  3. Step 3: Cross multiply
    154,883,002.66x = 213,730,855.50 × 85,266,888.86
  4. Step 4: Simplify right side
    154,883,002.66x = 18,224,165,101,871,220
  5. Step 5: Solve for x
    x = 18,224,165,101,871,220/154,883,002.66
  6. Step 6: Final answer
    x = 117,664,074.10

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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.