Home / 216,551,407.20-324,827,110.80-192,742,850.40

Finding the Fourth Proportional to 216,551,407.20, 324,827,110.80 and 192,742,850.40

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Solution

The fourth proportional to 216,551,407.20, 324,827,110.80 and 192,742,850.40 is: 289,114,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,551,407.20 : 324,827,110.80 = 192,742,850.40 : x
  2. Step 2: Convert to fraction form
    216,551,407.20/324,827,110.80 = 192,742,850.40/x
  3. Step 3: Cross multiply
    216,551,407.20x = 324,827,110.80 × 192,742,850.40
  4. Step 4: Simplify right side
    216,551,407.20x = 62,608,103,222,788,632
  5. Step 5: Solve for x
    x = 62,608,103,222,788,632/216,551,407.20
  6. Step 6: Final answer
    x = 289,114,275.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.