Home / 108,479,511.78-149,702,825.88-58,920,364.32

Finding the Fourth Proportional to 108,479,511.78, 149,702,825.88 and 58,920,364.32

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Solution

The fourth proportional to 108,479,511.78, 149,702,825.88 and 58,920,364.32 is: 81,310,700.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,479,511.78 : 149,702,825.88 = 58,920,364.32 : x
  2. Step 2: Convert to fraction form
    108,479,511.78/149,702,825.88 = 58,920,364.32/x
  3. Step 3: Cross multiply
    108,479,511.78x = 149,702,825.88 × 58,920,364.32
  4. Step 4: Simplify right side
    108,479,511.78x = 8,820,545,040,583,124
  5. Step 5: Solve for x
    x = 8,820,545,040,583,124/108,479,511.78
  6. Step 6: Final answer
    x = 81,310,700.02

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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.