Home / 299,336,742.30-449,173,075.05-126,784,191.90

Finding the Fourth Proportional to 299,336,742.30, 449,173,075.05 and 126,784,191.90

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Solution

The fourth proportional to 299,336,742.30, 449,173,075.05 and 126,784,191.90 is: 190,247,428.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,336,742.30 : 449,173,075.05 = 126,784,191.90 : x
  2. Step 2: Convert to fraction form
    299,336,742.30/449,173,075.05 = 126,784,191.90/x
  3. Step 3: Cross multiply
    299,336,742.30x = 449,173,075.05 × 126,784,191.90
  4. Step 4: Simplify right side
    299,336,742.30x = 56,948,045,343,452,304
  5. Step 5: Solve for x
    x = 56,948,045,343,452,304/299,336,742.30
  6. Step 6: Final answer
    x = 190,247,428.05

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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.