Home / 105,442,917.20-158,188,225.44-56,919,729.68

Finding the Fourth Proportional to 105,442,917.20, 158,188,225.44 and 56,919,729.68

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Solution

The fourth proportional to 105,442,917.20, 158,188,225.44 and 56,919,729.68 is: 85,392,468.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,442,917.20 : 158,188,225.44 = 56,919,729.68 : x
  2. Step 2: Convert to fraction form
    105,442,917.20/158,188,225.44 = 56,919,729.68/x
  3. Step 3: Cross multiply
    105,442,917.20x = 158,188,225.44 × 56,919,729.68
  4. Step 4: Simplify right side
    105,442,917.20x = 9,004,031,030,603,699
  5. Step 5: Solve for x
    x = 9,004,031,030,603,699/105,442,917.20
  6. Step 6: Final answer
    x = 85,392,468.93

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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.