Home / 136,453,179.74-204,621,507.90-78,985,118.30

Finding the Fourth Proportional to 136,453,179.74, 204,621,507.90 and 78,985,118.30

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Solution

The fourth proportional to 136,453,179.74, 204,621,507.90 and 78,985,118.30 is: 118,443,953.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,453,179.74 : 204,621,507.90 = 78,985,118.30 : x
  2. Step 2: Convert to fraction form
    136,453,179.74/204,621,507.90 = 78,985,118.30/x
  3. Step 3: Cross multiply
    136,453,179.74x = 204,621,507.90 × 78,985,118.30
  4. Step 4: Simplify right side
    136,453,179.74x = 16,162,054,007,182,778
  5. Step 5: Solve for x
    x = 16,162,054,007,182,778/136,453,179.74
  6. Step 6: Final answer
    x = 118,443,953.00

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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.