Home / 115,765,467.58-159,758,217.03-63,559,315.90

Finding the Fourth Proportional to 115,765,467.58, 159,758,217.03 and 63,559,315.90

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Solution

The fourth proportional to 115,765,467.58, 159,758,217.03 and 63,559,315.90 is: 87,712,883.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,765,467.58 : 159,758,217.03 = 63,559,315.90 : x
  2. Step 2: Convert to fraction form
    115,765,467.58/159,758,217.03 = 63,559,315.90/x
  3. Step 3: Cross multiply
    115,765,467.58x = 159,758,217.03 × 63,559,315.90
  4. Step 4: Simplify right side
    115,765,467.58x = 10,154,122,983,830,530
  5. Step 5: Solve for x
    x = 10,154,122,983,830,530/115,765,467.58
  6. Step 6: Final answer
    x = 87,712,883.61

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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.