Home / 90,173,264.31-124,439,149.80-48,920,145.75

Finding the Fourth Proportional to 90,173,264.31, 124,439,149.80 and 48,920,145.75

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Solution

The fourth proportional to 90,173,264.31, 124,439,149.80 and 48,920,145.75 is: 67,509,825.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,173,264.31 : 124,439,149.80 = 48,920,145.75 : x
  2. Step 2: Convert to fraction form
    90,173,264.31/124,439,149.80 = 48,920,145.75/x
  3. Step 3: Cross multiply
    90,173,264.31x = 124,439,149.80 × 48,920,145.75
  4. Step 4: Simplify right side
    90,173,264.31x = 6,087,581,345,222,083
  5. Step 5: Solve for x
    x = 6,087,581,345,222,083/90,173,264.31
  6. Step 6: Final answer
    x = 67,509,825.58

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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.