Home / 129,266,876.22-178,388,027.85-70,529,507.34

Finding the Fourth Proportional to 129,266,876.22, 178,388,027.85 and 70,529,507.34

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Solution

The fourth proportional to 129,266,876.22, 178,388,027.85 and 70,529,507.34 is: 97,330,577.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,266,876.22 : 178,388,027.85 = 70,529,507.34 : x
  2. Step 2: Convert to fraction form
    129,266,876.22/178,388,027.85 = 70,529,507.34/x
  3. Step 3: Cross multiply
    129,266,876.22x = 178,388,027.85 × 70,529,507.34
  4. Step 4: Simplify right side
    129,266,876.22x = 12,581,619,719,614,700
  5. Step 5: Solve for x
    x = 12,581,619,719,614,700/129,266,876.22
  6. Step 6: Final answer
    x = 97,330,577.54

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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.