Home / 66,876,259.40-92,250,043.08-42,057,078.92

Finding the Fourth Proportional to 66,876,259.40, 92,250,043.08 and 42,057,078.92

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Solution

The fourth proportional to 66,876,259.40, 92,250,043.08 and 42,057,078.92 is: 58,014,120.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,876,259.40 : 92,250,043.08 = 42,057,078.92 : x
  2. Step 2: Convert to fraction form
    66,876,259.40/92,250,043.08 = 42,057,078.92/x
  3. Step 3: Cross multiply
    66,876,259.40x = 92,250,043.08 × 42,057,078.92
  4. Step 4: Simplify right side
    66,876,259.40x = 3,879,767,342,188,960
  5. Step 5: Solve for x
    x = 3,879,767,342,188,960/66,876,259.40
  6. Step 6: Final answer
    x = 58,014,120.06

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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.