Home / 76,835,107.80-115,258,726.98-25,717,316.76

Finding the Fourth Proportional to 76,835,107.80, 115,258,726.98 and 25,717,316.76

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Solution

The fourth proportional to 76,835,107.80, 115,258,726.98 and 25,717,316.76 is: 38,578,005.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,835,107.80 : 115,258,726.98 = 25,717,316.76 : x
  2. Step 2: Convert to fraction form
    76,835,107.80/115,258,726.98 = 25,717,316.76/x
  3. Step 3: Cross multiply
    76,835,107.80x = 115,258,726.98 × 25,717,316.76
  4. Step 4: Simplify right side
    76,835,107.80x = 2,964,145,191,099,018.50
  5. Step 5: Solve for x
    x = 2,964,145,191,099,018.50/76,835,107.80
  6. Step 6: Final answer
    x = 38,578,005.24

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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.