Home / 71,671,207.85-98,903,418.03-42,311,997.87

Finding the Fourth Proportional to 71,671,207.85, 98,903,418.03 and 42,311,997.87

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Solution

The fourth proportional to 71,671,207.85, 98,903,418.03 and 42,311,997.87 is: 58,388,875.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,671,207.85 : 98,903,418.03 = 42,311,997.87 : x
  2. Step 2: Convert to fraction form
    71,671,207.85/98,903,418.03 = 42,311,997.87/x
  3. Step 3: Cross multiply
    71,671,207.85x = 98,903,418.03 × 42,311,997.87
  4. Step 4: Simplify right side
    71,671,207.85x = 4,184,801,213,021,079.50
  5. Step 5: Solve for x
    x = 4,184,801,213,021,079.50/71,671,207.85
  6. Step 6: Final answer
    x = 58,388,875.23

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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.