Home / 134,569,804.40-185,706,301.56-72,690,144.56

Finding the Fourth Proportional to 134,569,804.40, 185,706,301.56 and 72,690,144.56

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Solution

The fourth proportional to 134,569,804.40, 185,706,301.56 and 72,690,144.56 is: 100,312,384.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,569,804.40 : 185,706,301.56 = 72,690,144.56 : x
  2. Step 2: Convert to fraction form
    134,569,804.40/185,706,301.56 = 72,690,144.56/x
  3. Step 3: Cross multiply
    134,569,804.40x = 185,706,301.56 × 72,690,144.56
  4. Step 4: Simplify right side
    134,569,804.40x = 13,499,017,906,099,354
  5. Step 5: Solve for x
    x = 13,499,017,906,099,354/134,569,804.40
  6. Step 6: Final answer
    x = 100,312,384.09

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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.