Home / 87,315,768.75-131,064,496.65-64,312,677.57

Finding the Fourth Proportional to 87,315,768.75, 131,064,496.65 and 64,312,677.57

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Solution

The fourth proportional to 87,315,768.75, 131,064,496.65 and 64,312,677.57 is: 96,535,927.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,315,768.75 : 131,064,496.65 = 64,312,677.57 : x
  2. Step 2: Convert to fraction form
    87,315,768.75/131,064,496.65 = 64,312,677.57/x
  3. Step 3: Cross multiply
    87,315,768.75x = 131,064,496.65 × 64,312,677.57
  4. Step 4: Simplify right side
    87,315,768.75x = 8,429,108,713,925,796
  5. Step 5: Solve for x
    x = 8,429,108,713,925,796/87,315,768.75
  6. Step 6: Final answer
    x = 96,535,927.41

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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.