Home / 87,042,053.35-120,119,030.49-49,871,588.77

Finding the Fourth Proportional to 87,042,053.35, 120,119,030.49 and 49,871,588.77

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Solution

The fourth proportional to 87,042,053.35, 120,119,030.49 and 49,871,588.77 is: 68,823,363.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,042,053.35 : 120,119,030.49 = 49,871,588.77 : x
  2. Step 2: Convert to fraction form
    87,042,053.35/120,119,030.49 = 49,871,588.77/x
  3. Step 3: Cross multiply
    87,042,053.35x = 120,119,030.49 × 49,871,588.77
  4. Step 4: Simplify right side
    87,042,053.35x = 5,990,526,892,048,372
  5. Step 5: Solve for x
    x = 5,990,526,892,048,372/87,042,053.35
  6. Step 6: Final answer
    x = 68,823,363.67

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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.