Home / 216,145,677.76-298,280,640.99-117,026,413

Finding the Fourth Proportional to 216,145,677.76, 298,280,640.99 and 117,026,413

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Solution

The fourth proportional to 216,145,677.76, 298,280,640.99 and 117,026,413 is: 161,496,236.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,145,677.76 : 298,280,640.99 = 117,026,413 : x
  2. Step 2: Convert to fraction form
    216,145,677.76/298,280,640.99 = 117,026,413/x
  3. Step 3: Cross multiply
    216,145,677.76x = 298,280,640.99 × 117,026,413
  4. Step 4: Simplify right side
    216,145,677.76x = 34,906,713,482,400,468
  5. Step 5: Solve for x
    x = 34,906,713,482,400,468/216,145,677.76
  6. Step 6: Final answer
    x = 161,496,236.45

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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.