Home / 71,825,468.32-99,119,448.98-40,463,893.58

Finding the Fourth Proportional to 71,825,468.32, 99,119,448.98 and 40,463,893.58

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Solution

The fourth proportional to 71,825,468.32, 99,119,448.98 and 40,463,893.58 is: 55,840,343.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,825,468.32 : 99,119,448.98 = 40,463,893.58 : x
  2. Step 2: Convert to fraction form
    71,825,468.32/99,119,448.98 = 40,463,893.58/x
  3. Step 3: Cross multiply
    71,825,468.32x = 99,119,448.98 × 40,463,893.58
  4. Step 4: Simplify right side
    71,825,468.32x = 4,010,758,835,234,959.50
  5. Step 5: Solve for x
    x = 4,010,758,835,234,959.50/71,825,468.32
  6. Step 6: Final answer
    x = 55,840,343.67

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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.