Home / 137,228,854,378.49-189,380,417,526-76,263,790,723.13

Finding the Fourth Proportional to 137,228,854,378.49, 189,380,417,526 and 76,263,790,723.13

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Solution

The fourth proportional to 137,228,854,378.49, 189,380,417,526 and 76,263,790,723.13 is: 105,246,586,766.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,228,854,378.49 : 189,380,417,526 = 76,263,790,723.13 : x
  2. Step 2: Convert to fraction form
    137,228,854,378.49/189,380,417,526 = 76,263,790,723.13/x
  3. Step 3: Cross multiply
    137,228,854,378.49x = 189,380,417,526 × 76,263,790,723.13
  4. Step 4: Simplify right side
    137,228,854,378.49x = 14,442,868,529,262,225,260,544
  5. Step 5: Solve for x
    x = 14,442,868,529,262,225,260,544/137,228,854,378.49
  6. Step 6: Final answer
    x = 105,246,586,766.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.