Home / 146,139,194.61-201,672,071.55-87,401,850.66

Finding the Fourth Proportional to 146,139,194.61, 201,672,071.55 and 87,401,850.66

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Solution

The fourth proportional to 146,139,194.61, 201,672,071.55 and 87,401,850.66 is: 120,614,543.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,139,194.61 : 201,672,071.55 = 87,401,850.66 : x
  2. Step 2: Convert to fraction form
    146,139,194.61/201,672,071.55 = 87,401,850.66/x
  3. Step 3: Cross multiply
    146,139,194.61x = 201,672,071.55 × 87,401,850.66
  4. Step 4: Simplify right side
    146,139,194.61x = 17,626,512,279,905,936
  5. Step 5: Solve for x
    x = 17,626,512,279,905,936/146,139,194.61
  6. Step 6: Final answer
    x = 120,614,543.74

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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.