Home / 109,036,637.70-163,554,956.55-72,756,932.10

Finding the Fourth Proportional to 109,036,637.70, 163,554,956.55 and 72,756,932.10

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Solution

The fourth proportional to 109,036,637.70, 163,554,956.55 and 72,756,932.10 is: 109,135,398.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,036,637.70 : 163,554,956.55 = 72,756,932.10 : x
  2. Step 2: Convert to fraction form
    109,036,637.70/163,554,956.55 = 72,756,932.10/x
  3. Step 3: Cross multiply
    109,036,637.70x = 163,554,956.55 × 72,756,932.10
  4. Step 4: Simplify right side
    109,036,637.70x = 11,899,756,868,326,800
  5. Step 5: Solve for x
    x = 11,899,756,868,326,800/109,036,637.70
  6. Step 6: Final answer
    x = 109,135,398.15

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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.