Home / 158,163,994.80-237,281,766.06-85,379,213.24

Finding the Fourth Proportional to 158,163,994.80, 237,281,766.06 and 85,379,213.24

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Solution

The fourth proportional to 158,163,994.80, 237,281,766.06 and 85,379,213.24 is: 128,088,131.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,163,994.80 : 237,281,766.06 = 85,379,213.24 : x
  2. Step 2: Convert to fraction form
    158,163,994.80/237,281,766.06 = 85,379,213.24/x
  3. Step 3: Cross multiply
    158,163,994.80x = 237,281,766.06 × 85,379,213.24
  4. Step 4: Simplify right side
    158,163,994.80x = 20,258,930,502,400,532
  5. Step 5: Solve for x
    x = 20,258,930,502,400,532/158,163,994.80
  6. Step 6: Final answer
    x = 128,088,131.11

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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.