Home / 42,720,177.40-64,080,266.10-13,969,219.30

Finding the Fourth Proportional to 42,720,177.40, 64,080,266.10 and 13,969,219.30

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Solution

The fourth proportional to 42,720,177.40, 64,080,266.10 and 13,969,219.30 is: 20,953,828.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,720,177.40 : 64,080,266.10 = 13,969,219.30 : x
  2. Step 2: Convert to fraction form
    42,720,177.40/64,080,266.10 = 13,969,219.30/x
  3. Step 3: Cross multiply
    42,720,177.40x = 64,080,266.10 × 13,969,219.30
  4. Step 4: Simplify right side
    42,720,177.40x = 895,151,289,953,255.75
  5. Step 5: Solve for x
    x = 895,151,289,953,255.75/42,720,177.40
  6. Step 6: Final answer
    x = 20,953,828.95

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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.