Home / 77,223,837.60-115,833,985.20-38,875,053.60

Finding the Fourth Proportional to 77,223,837.60, 115,833,985.20 and 38,875,053.60

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Solution

The fourth proportional to 77,223,837.60, 115,833,985.20 and 38,875,053.60 is: 58,311,688.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,223,837.60 : 115,833,985.20 = 38,875,053.60 : x
  2. Step 2: Convert to fraction form
    77,223,837.60/115,833,985.20 = 38,875,053.60/x
  3. Step 3: Cross multiply
    77,223,837.60x = 115,833,985.20 × 38,875,053.60
  4. Step 4: Simplify right side
    77,223,837.60x = 4,503,052,383,351,607
  5. Step 5: Solve for x
    x = 4,503,052,383,351,607/77,223,837.60
  6. Step 6: Final answer
    x = 58,311,688.76

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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.