Home / 154,112,530.32-231,133,421.03-91,881,453.42

Finding the Fourth Proportional to 154,112,530.32, 231,133,421.03 and 91,881,453.42

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Solution

The fourth proportional to 154,112,530.32, 231,133,421.03 and 91,881,453.42 is: 137,801,089.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,112,530.32 : 231,133,421.03 = 91,881,453.42 : x
  2. Step 2: Convert to fraction form
    154,112,530.32/231,133,421.03 = 91,881,453.42/x
  3. Step 3: Cross multiply
    154,112,530.32x = 231,133,421.03 × 91,881,453.42
  4. Step 4: Simplify right side
    154,112,530.32x = 21,236,874,657,713,788
  5. Step 5: Solve for x
    x = 21,236,874,657,713,788/154,112,530.32
  6. Step 6: Final answer
    x = 137,801,089.98

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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.