Home / 216,879,392.48-299,290,497.27-122,791,111.52

Finding the Fourth Proportional to 216,879,392.48, 299,290,497.27 and 122,791,111.52

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Solution

The fourth proportional to 216,879,392.48, 299,290,497.27 and 122,791,111.52 is: 169,449,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,879,392.48 : 299,290,497.27 = 122,791,111.52 : x
  2. Step 2: Convert to fraction form
    216,879,392.48/299,290,497.27 = 122,791,111.52/x
  3. Step 3: Cross multiply
    216,879,392.48x = 299,290,497.27 × 122,791,111.52
  4. Step 4: Simplify right side
    216,879,392.48x = 36,750,212,827,156,824
  5. Step 5: Solve for x
    x = 36,750,212,827,156,824/216,879,392.48
  6. Step 6: Final answer
    x = 169,449,998.95

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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.