Home / 66,516,064.47-91,125,486.04-64,029,174.83

Finding the Fourth Proportional to 66,516,064.47, 91,125,486.04 and 64,029,174.83

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Solution

The fourth proportional to 66,516,064.47, 91,125,486.04 and 64,029,174.83 is: 87,718,504.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,516,064.47 : 91,125,486.04 = 64,029,174.83 : x
  2. Step 2: Convert to fraction form
    66,516,064.47/91,125,486.04 = 64,029,174.83/x
  3. Step 3: Cross multiply
    66,516,064.47x = 91,125,486.04 × 64,029,174.83
  4. Step 4: Simplify right side
    66,516,064.47x = 5,834,689,677,191,625
  5. Step 5: Solve for x
    x = 5,834,689,677,191,625/66,516,064.47
  6. Step 6: Final answer
    x = 87,718,504.15

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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.