Home / 126,048,019.20-189,072,028.80-62,214,316.80

Finding the Fourth Proportional to 126,048,019.20, 189,072,028.80 and 62,214,316.80

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Solution

The fourth proportional to 126,048,019.20, 189,072,028.80 and 62,214,316.80 is: 93,321,475.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,048,019.20 : 189,072,028.80 = 62,214,316.80 : x
  2. Step 2: Convert to fraction form
    126,048,019.20/189,072,028.80 = 62,214,316.80/x
  3. Step 3: Cross multiply
    126,048,019.20x = 189,072,028.80 × 62,214,316.80
  4. Step 4: Simplify right side
    126,048,019.20x = 11,762,987,097,781,924
  5. Step 5: Solve for x
    x = 11,762,987,097,781,924/126,048,019.20
  6. Step 6: Final answer
    x = 93,321,475.20

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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.