Home / 190,781,563.60-286,172,345.40-54,449,232.40

Finding the Fourth Proportional to 190,781,563.60, 286,172,345.40 and 54,449,232.40

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Solution

The fourth proportional to 190,781,563.60, 286,172,345.40 and 54,449,232.40 is: 81,673,848.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,781,563.60 : 286,172,345.40 = 54,449,232.40 : x
  2. Step 2: Convert to fraction form
    190,781,563.60/286,172,345.40 = 54,449,232.40/x
  3. Step 3: Cross multiply
    190,781,563.60x = 286,172,345.40 × 54,449,232.40
  4. Step 4: Simplify right side
    190,781,563.60x = 15,581,864,541,137,670
  5. Step 5: Solve for x
    x = 15,581,864,541,137,670/190,781,563.60
  6. Step 6: Final answer
    x = 81,673,848.60

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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.