Home / 106,344,909.90-159,517,364.85-91,039,409.10

Finding the Fourth Proportional to 106,344,909.90, 159,517,364.85 and 91,039,409.10

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Solution

The fourth proportional to 106,344,909.90, 159,517,364.85 and 91,039,409.10 is: 136,559,113.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,344,909.90 : 159,517,364.85 = 91,039,409.10 : x
  2. Step 2: Convert to fraction form
    106,344,909.90/159,517,364.85 = 91,039,409.10/x
  3. Step 3: Cross multiply
    106,344,909.90x = 159,517,364.85 × 91,039,409.10
  4. Step 4: Simplify right side
    106,344,909.90x = 14,522,366,637,133,108
  5. Step 5: Solve for x
    x = 14,522,366,637,133,108/106,344,909.90
  6. Step 6: Final answer
    x = 136,559,113.65

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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.