Home / 79,806,884.50-119,710,326.75-19,222,610.50

Finding the Fourth Proportional to 79,806,884.50, 119,710,326.75 and 19,222,610.50

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Solution

The fourth proportional to 79,806,884.50, 119,710,326.75 and 19,222,610.50 is: 28,833,915.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,806,884.50 : 119,710,326.75 = 19,222,610.50 : x
  2. Step 2: Convert to fraction form
    79,806,884.50/119,710,326.75 = 19,222,610.50/x
  3. Step 3: Cross multiply
    79,806,884.50x = 119,710,326.75 × 19,222,610.50
  4. Step 4: Simplify right side
    79,806,884.50x = 2,301,144,983,942,981
  5. Step 5: Solve for x
    x = 2,301,144,983,942,981/79,806,884.50
  6. Step 6: Final answer
    x = 28,833,915.75

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1.5x scale

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.