Home / 100,285,230.60-150,427,845.90-91,675,886.40

Finding the Fourth Proportional to 100,285,230.60, 150,427,845.90 and 91,675,886.40

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Solution

The fourth proportional to 100,285,230.60, 150,427,845.90 and 91,675,886.40 is: 137,513,829.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,285,230.60 : 150,427,845.90 = 91,675,886.40 : x
  2. Step 2: Convert to fraction form
    100,285,230.60/150,427,845.90 = 91,675,886.40/x
  3. Step 3: Cross multiply
    100,285,230.60x = 150,427,845.90 × 91,675,886.40
  4. Step 4: Simplify right side
    100,285,230.60x = 13,790,606,112,125,108
  5. Step 5: Solve for x
    x = 13,790,606,112,125,108/100,285,230.60
  6. Step 6: Final answer
    x = 137,513,829.60

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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.