Home / 80,411,834.16-110,968,247.16-43,742,317.68

Finding the Fourth Proportional to 80,411,834.16, 110,968,247.16 and 43,742,317.68

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Solution

The fourth proportional to 80,411,834.16, 110,968,247.16 and 43,742,317.68 is: 60,364,352.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,411,834.16 : 110,968,247.16 = 43,742,317.68 : x
  2. Step 2: Convert to fraction form
    80,411,834.16/110,968,247.16 = 43,742,317.68/x
  3. Step 3: Cross multiply
    80,411,834.16x = 110,968,247.16 × 43,742,317.68
  4. Step 4: Simplify right side
    80,411,834.16x = 4,854,008,319,665,478
  5. Step 5: Solve for x
    x = 4,854,008,319,665,478/80,411,834.16
  6. Step 6: Final answer
    x = 60,364,352.71

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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.