Home / 138,802,364.46-191,544,003.45-76,921,374.42

Finding the Fourth Proportional to 138,802,364.46, 191,544,003.45 and 76,921,374.42

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Solution

The fourth proportional to 138,802,364.46, 191,544,003.45 and 76,921,374.42 is: 106,149,690.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,802,364.46 : 191,544,003.45 = 76,921,374.42 : x
  2. Step 2: Convert to fraction form
    138,802,364.46/191,544,003.45 = 76,921,374.42/x
  3. Step 3: Cross multiply
    138,802,364.46x = 191,544,003.45 × 76,921,374.42
  4. Step 4: Simplify right side
    138,802,364.46x = 14,733,828,007,283,222
  5. Step 5: Solve for x
    x = 14,733,828,007,283,222/138,802,364.46
  6. Step 6: Final answer
    x = 106,149,690.35

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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.