Home / 91,270,355.10-125,953,200.75-49,454,387.39

Finding the Fourth Proportional to 91,270,355.10, 125,953,200.75 and 49,454,387.39

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Solution

The fourth proportional to 91,270,355.10, 125,953,200.75 and 49,454,387.39 is: 68,247,114.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,270,355.10 : 125,953,200.75 = 49,454,387.39 : x
  2. Step 2: Convert to fraction form
    91,270,355.10/125,953,200.75 = 49,454,387.39/x
  3. Step 3: Cross multiply
    91,270,355.10x = 125,953,200.75 × 49,454,387.39
  4. Step 4: Simplify right side
    91,270,355.10x = 6,228,938,382,271,172
  5. Step 5: Solve for x
    x = 6,228,938,382,271,172/91,270,355.10
  6. Step 6: Final answer
    x = 68,247,114.58

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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.