Home / 148,492,987.60-222,952,057.80-83,922,906.10

Finding the Fourth Proportional to 148,492,987.60, 222,952,057.80 and 83,922,906.10

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Solution

The fourth proportional to 148,492,987.60, 222,952,057.80 and 83,922,906.10 is: 126,004,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,492,987.60 : 222,952,057.80 = 83,922,906.10 : x
  2. Step 2: Convert to fraction form
    148,492,987.60/222,952,057.80 = 83,922,906.10/x
  3. Step 3: Cross multiply
    148,492,987.60x = 222,952,057.80 × 83,922,906.10
  4. Step 4: Simplify right side
    148,492,987.60x = 18,710,784,611,551,172
  5. Step 5: Solve for x
    x = 18,710,784,611,551,172/148,492,987.60
  6. Step 6: Final answer
    x = 126,004,499.70

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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.