Home / 65,488,510.80-98,232,766.20-39,979,342.80

Finding the Fourth Proportional to 65,488,510.80, 98,232,766.20 and 39,979,342.80

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Solution

The fourth proportional to 65,488,510.80, 98,232,766.20 and 39,979,342.80 is: 59,969,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,488,510.80 : 98,232,766.20 = 39,979,342.80 : x
  2. Step 2: Convert to fraction form
    65,488,510.80/98,232,766.20 = 39,979,342.80/x
  3. Step 3: Cross multiply
    65,488,510.80x = 98,232,766.20 × 39,979,342.80
  4. Step 4: Simplify right side
    65,488,510.80x = 3,927,281,434,102,053
  5. Step 5: Solve for x
    x = 3,927,281,434,102,053/65,488,510.80
  6. Step 6: Final answer
    x = 59,969,014.20

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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.