Home / 72,310,293,856.04-108,463,435,742.45-19,251,782,188.52

Finding the Fourth Proportional to 72,310,293,856.04, 108,463,435,742.45 and 19,251,782,188.52

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Solution

The fourth proportional to 72,310,293,856.04, 108,463,435,742.45 and 19,251,782,188.52 is: 28,877,139,463.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,310,293,856.04 : 108,463,435,742.45 = 19,251,782,188.52 : x
  2. Step 2: Convert to fraction form
    72,310,293,856.04/108,463,435,742.45 = 19,251,782,188.52/x
  3. Step 3: Cross multiply
    72,310,293,856.04x = 108,463,435,742.45 × 19,251,782,188.52
  4. Step 4: Simplify right side
    72,310,293,856.04x = 2,088,114,440,331,639,914,496
  5. Step 5: Solve for x
    x = 2,088,114,440,331,639,914,496/72,310,293,856.04
  6. Step 6: Final answer
    x = 28,877,139,463.56

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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.