Home / 349,720,728.40-524,581,092.60-107,352,139.60

Finding the Fourth Proportional to 349,720,728.40, 524,581,092.60 and 107,352,139.60

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Solution

The fourth proportional to 349,720,728.40, 524,581,092.60 and 107,352,139.60 is: 161,028,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,720,728.40 : 524,581,092.60 = 107,352,139.60 : x
  2. Step 2: Convert to fraction form
    349,720,728.40/524,581,092.60 = 107,352,139.60/x
  3. Step 3: Cross multiply
    349,720,728.40x = 524,581,092.60 × 107,352,139.60
  4. Step 4: Simplify right side
    349,720,728.40x = 56,314,902,684,315,728
  5. Step 5: Solve for x
    x = 56,314,902,684,315,728/349,720,728.40
  6. Step 6: Final answer
    x = 161,028,209.40

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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.