Home / 79,806,960.68-119,710,441.02-19,222,686.76

Finding the Fourth Proportional to 79,806,960.68, 119,710,441.02 and 19,222,686.76

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Solution

The fourth proportional to 79,806,960.68, 119,710,441.02 and 19,222,686.76 is: 28,834,030.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,806,960.68 : 119,710,441.02 = 19,222,686.76 : x
  2. Step 2: Convert to fraction form
    79,806,960.68/119,710,441.02 = 19,222,686.76/x
  3. Step 3: Cross multiply
    79,806,960.68x = 119,710,441.02 × 19,222,686.76
  4. Step 4: Simplify right side
    79,806,960.68x = 2,301,156,309,628,915
  5. Step 5: Solve for x
    x = 2,301,156,309,628,915/79,806,960.68
  6. Step 6: Final answer
    x = 28,834,030.14

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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.