Home / 136,453,171.86-204,621,496.11-78,985,110.42

Finding the Fourth Proportional to 136,453,171.86, 204,621,496.11 and 78,985,110.42

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Solution

The fourth proportional to 136,453,171.86, 204,621,496.11 and 78,985,110.42 is: 118,443,941.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,453,171.86 : 204,621,496.11 = 78,985,110.42 : x
  2. Step 2: Convert to fraction form
    136,453,171.86/204,621,496.11 = 78,985,110.42/x
  3. Step 3: Cross multiply
    136,453,171.86x = 204,621,496.11 × 78,985,110.42
  4. Step 4: Simplify right side
    136,453,171.86x = 16,162,051,464,553,952
  5. Step 5: Solve for x
    x = 16,162,051,464,553,952/136,453,171.86
  6. Step 6: Final answer
    x = 118,443,941.20

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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.