Home / 206,949,762.40-310,424,643.60-172,937,538.40

Finding the Fourth Proportional to 206,949,762.40, 310,424,643.60 and 172,937,538.40

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Solution

The fourth proportional to 206,949,762.40, 310,424,643.60 and 172,937,538.40 is: 259,406,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,949,762.40 : 310,424,643.60 = 172,937,538.40 : x
  2. Step 2: Convert to fraction form
    206,949,762.40/310,424,643.60 = 172,937,538.40/x
  3. Step 3: Cross multiply
    206,949,762.40x = 310,424,643.60 × 172,937,538.40
  4. Step 4: Simplify right side
    206,949,762.40x = 53,684,073,722,881,320
  5. Step 5: Solve for x
    x = 53,684,073,722,881,320/206,949,762.40
  6. Step 6: Final answer
    x = 259,406,307.60

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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.