Home / 260,321,979.48-359,243,345.84-142,849,275.18

Finding the Fourth Proportional to 260,321,979.48, 359,243,345.84 and 142,849,275.18

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Solution

The fourth proportional to 260,321,979.48, 359,243,345.84 and 142,849,275.18 is: 197,131,458.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,321,979.48 : 359,243,345.84 = 142,849,275.18 : x
  2. Step 2: Convert to fraction form
    260,321,979.48/359,243,345.84 = 142,849,275.18/x
  3. Step 3: Cross multiply
    260,321,979.48x = 359,243,345.84 × 142,849,275.18
  4. Step 4: Simplify right side
    260,321,979.48x = 51,317,651,566,482,064
  5. Step 5: Solve for x
    x = 51,317,651,566,482,064/260,321,979.48
  6. Step 6: Final answer
    x = 197,131,458.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.