Home / 190,680,833.79-286,023,907.89-54,366,217.29

Finding the Fourth Proportional to 190,680,833.79, 286,023,907.89 and 54,366,217.29

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Solution

The fourth proportional to 190,680,833.79, 286,023,907.89 and 54,366,217.29 is: 81,550,083.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,680,833.79 : 286,023,907.89 = 54,366,217.29 : x
  2. Step 2: Convert to fraction form
    190,680,833.79/286,023,907.89 = 54,366,217.29/x
  3. Step 3: Cross multiply
    190,680,833.79x = 286,023,907.89 × 54,366,217.29
  4. Step 4: Simplify right side
    190,680,833.79x = 15,550,037,926,482,684
  5. Step 5: Solve for x
    x = 15,550,037,926,482,684/190,680,833.79
  6. Step 6: Final answer
    x = 81,550,083.55

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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.