Home / 65,575,231.80-98,362,847.70-31,488,358.20

Finding the Fourth Proportional to 65,575,231.80, 98,362,847.70 and 31,488,358.20

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Solution

The fourth proportional to 65,575,231.80, 98,362,847.70 and 31,488,358.20 is: 47,232,537.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,575,231.80 : 98,362,847.70 = 31,488,358.20 : x
  2. Step 2: Convert to fraction form
    65,575,231.80/98,362,847.70 = 31,488,358.20/x
  3. Step 3: Cross multiply
    65,575,231.80x = 98,362,847.70 × 31,488,358.20
  4. Step 4: Simplify right side
    65,575,231.80x = 3,097,284,581,949,646
  5. Step 5: Solve for x
    x = 3,097,284,581,949,646/65,575,231.80
  6. Step 6: Final answer
    x = 47,232,537.30

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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.