Home / 308,215,450.16-462,276,462.41-83,884,625.72

Finding the Fourth Proportional to 308,215,450.16, 462,276,462.41 and 83,884,625.72

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Solution

The fourth proportional to 308,215,450.16, 462,276,462.41 and 83,884,625.72 is: 125,814,225.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,215,450.16 : 462,276,462.41 = 83,884,625.72 : x
  2. Step 2: Convert to fraction form
    308,215,450.16/462,276,462.41 = 83,884,625.72/x
  3. Step 3: Cross multiply
    308,215,450.16x = 462,276,462.41 × 83,884,625.72
  4. Step 4: Simplify right side
    308,215,450.16x = 38,777,888,025,697,696
  5. Step 5: Solve for x
    x = 38,777,888,025,697,696/308,215,450.16
  6. Step 6: Final answer
    x = 125,814,225.10

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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.