Home / 90,828,241.20-136,264,056.84-30,244,492.08

Finding the Fourth Proportional to 90,828,241.20, 136,264,056.84 and 30,244,492.08

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Solution

The fourth proportional to 90,828,241.20, 136,264,056.84 and 30,244,492.08 is: 45,373,962.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,828,241.20 : 136,264,056.84 = 30,244,492.08 : x
  2. Step 2: Convert to fraction form
    90,828,241.20/136,264,056.84 = 30,244,492.08/x
  3. Step 3: Cross multiply
    90,828,241.20x = 136,264,056.84 × 30,244,492.08
  4. Step 4: Simplify right side
    90,828,241.20x = 4,121,237,187,886,049.50
  5. Step 5: Solve for x
    x = 4,121,237,187,886,049.50/90,828,241.20
  6. Step 6: Final answer
    x = 45,373,962.25

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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.