Home / 148,492,979.10-222,952,045.05-83,922,897.60

Finding the Fourth Proportional to 148,492,979.10, 222,952,045.05 and 83,922,897.60

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Solution

The fourth proportional to 148,492,979.10, 222,952,045.05 and 83,922,897.60 is: 126,004,486.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,492,979.10 : 222,952,045.05 = 83,922,897.60 : x
  2. Step 2: Convert to fraction form
    148,492,979.10/222,952,045.05 = 83,922,897.60/x
  3. Step 3: Cross multiply
    148,492,979.10x = 222,952,045.05 × 83,922,897.60
  4. Step 4: Simplify right side
    148,492,979.10x = 18,710,781,646,441,736
  5. Step 5: Solve for x
    x = 18,710,781,646,441,736/148,492,979.10
  6. Step 6: Final answer
    x = 126,004,486.95

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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.