Home / 87,315,767.25-131,064,494.40-64,312,676.07

Finding the Fourth Proportional to 87,315,767.25, 131,064,494.40 and 64,312,676.07

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Solution

The fourth proportional to 87,315,767.25, 131,064,494.40 and 64,312,676.07 is: 96,535,925.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,315,767.25 : 131,064,494.40 = 64,312,676.07 : x
  2. Step 2: Convert to fraction form
    87,315,767.25/131,064,494.40 = 64,312,676.07/x
  3. Step 3: Cross multiply
    87,315,767.25x = 131,064,494.40 × 64,312,676.07
  4. Step 4: Simplify right side
    87,315,767.25x = 8,429,108,372,625,529
  5. Step 5: Solve for x
    x = 8,429,108,372,625,529/87,315,767.25
  6. Step 6: Final answer
    x = 96,535,925.16

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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.