Home / 216,298,184.86-298,489,845.20-117,178,223.18

Finding the Fourth Proportional to 216,298,184.86, 298,489,845.20 and 117,178,223.18

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Solution

The fourth proportional to 216,298,184.86, 298,489,845.20 and 117,178,223.18 is: 161,705,054.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,298,184.86 : 298,489,845.20 = 117,178,223.18 : x
  2. Step 2: Convert to fraction form
    216,298,184.86/298,489,845.20 = 117,178,223.18/x
  3. Step 3: Cross multiply
    216,298,184.86x = 298,489,845.20 × 117,178,223.18
  4. Step 4: Simplify right side
    216,298,184.86x = 34,976,509,696,316,800
  5. Step 5: Solve for x
    x = 34,976,509,696,316,800/216,298,184.86
  6. Step 6: Final answer
    x = 161,705,054.16

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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.