Home / 66,480,530.60-91,077,902.09-63,994,468.25

Finding the Fourth Proportional to 66,480,530.60, 91,077,902.09 and 63,994,468.25

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Solution

The fourth proportional to 66,480,530.60, 91,077,902.09 and 63,994,468.25 is: 87,672,012.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,480,530.60 : 91,077,902.09 = 63,994,468.25 : x
  2. Step 2: Convert to fraction form
    66,480,530.60/91,077,902.09 = 63,994,468.25/x
  3. Step 3: Cross multiply
    66,480,530.60x = 91,077,902.09 × 63,994,468.25
  4. Step 4: Simplify right side
    66,480,530.60x = 5,828,481,913,575,114
  5. Step 5: Solve for x
    x = 5,828,481,913,575,114/66,480,530.60
  6. Step 6: Final answer
    x = 87,672,012.56

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.