Home / 216,145,705.76-298,280,679.52-117,026,441.04

Finding the Fourth Proportional to 216,145,705.76, 298,280,679.52 and 117,026,441.04

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Solution

The fourth proportional to 216,145,705.76, 298,280,679.52 and 117,026,441.04 is: 161,496,275.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,145,705.76 : 298,280,679.52 = 117,026,441.04 : x
  2. Step 2: Convert to fraction form
    216,145,705.76/298,280,679.52 = 117,026,441.04/x
  3. Step 3: Cross multiply
    216,145,705.76x = 298,280,679.52 × 117,026,441.04
  4. Step 4: Simplify right side
    216,145,705.76x = 34,906,726,355,218,416
  5. Step 5: Solve for x
    x = 34,906,726,355,218,416/216,145,705.76
  6. Step 6: Final answer
    x = 161,496,275.08

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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.