Home / 137,228,854,405.50-189,380,417,563.26-76,263,790,750.20

Finding the Fourth Proportional to 137,228,854,405.50, 189,380,417,563.26 and 76,263,790,750.20

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Solution

The fourth proportional to 137,228,854,405.50, 189,380,417,563.26 and 76,263,790,750.20 is: 105,246,586,804.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,228,854,405.50 : 189,380,417,563.26 = 76,263,790,750.20 : x
  2. Step 2: Convert to fraction form
    137,228,854,405.50/189,380,417,563.26 = 76,263,790,750.20/x
  3. Step 3: Cross multiply
    137,228,854,405.50x = 189,380,417,563.26 × 76,263,790,750.20
  4. Step 4: Simplify right side
    137,228,854,405.50x = 14,442,868,537,229,962,117,120
  5. Step 5: Solve for x
    x = 14,442,868,537,229,962,117,120/137,228,854,405.50
  6. Step 6: Final answer
    x = 105,246,586,804.20

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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.