Home / 76,895,859.47-115,344,088.44-18,603,443.93

Finding the Fourth Proportional to 76,895,859.47, 115,344,088.44 and 18,603,443.93

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Solution

The fourth proportional to 76,895,859.47, 115,344,088.44 and 18,603,443.93 is: 27,905,238.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,895,859.47 : 115,344,088.44 = 18,603,443.93 : x
  2. Step 2: Convert to fraction form
    76,895,859.47/115,344,088.44 = 18,603,443.93/x
  3. Step 3: Cross multiply
    76,895,859.47x = 115,344,088.44 × 18,603,443.93
  4. Step 4: Simplify right side
    76,895,859.47x = 2,145,797,281,373,780.75
  5. Step 5: Solve for x
    x = 2,145,797,281,373,780.75/76,895,859.47
  6. Step 6: Final answer
    x = 27,905,238.28

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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.