Home / 66,980,762.20-100,336,619.54-30,539,024.20

Finding the Fourth Proportional to 66,980,762.20, 100,336,619.54 and 30,539,024.20

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Solution

The fourth proportional to 66,980,762.20, 100,336,619.54 and 30,539,024.20 is: 45,747,201.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,980,762.20 : 100,336,619.54 = 30,539,024.20 : x
  2. Step 2: Convert to fraction form
    66,980,762.20/100,336,619.54 = 30,539,024.20/x
  3. Step 3: Cross multiply
    66,980,762.20x = 100,336,619.54 × 30,539,024.20
  4. Step 4: Simplify right side
    66,980,762.20x = 3,064,182,452,278,253
  5. Step 5: Solve for x
    x = 3,064,182,452,278,253/66,980,762.20
  6. Step 6: Final answer
    x = 45,747,201.91

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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.