Home / 207,117,366.24-285,929,428.20-151,300,117.92

Finding the Fourth Proportional to 207,117,366.24, 285,929,428.20 and 151,300,117.92

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Solution

The fourth proportional to 207,117,366.24, 285,929,428.20 and 151,300,117.92 is: 208,872,664.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,117,366.24 : 285,929,428.20 = 151,300,117.92 : x
  2. Step 2: Convert to fraction form
    207,117,366.24/285,929,428.20 = 151,300,117.92/x
  3. Step 3: Cross multiply
    207,117,366.24x = 285,929,428.20 × 151,300,117.92
  4. Step 4: Simplify right side
    207,117,366.24x = 43,261,156,203,458,168
  5. Step 5: Solve for x
    x = 43,261,156,203,458,168/207,117,366.24
  6. Step 6: Final answer
    x = 208,872,664.75

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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.