Home / 90,267,765.30-124,573,087.86-50,575,638.42

Finding the Fourth Proportional to 90,267,765.30, 124,573,087.86 and 50,575,638.42

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Solution

The fourth proportional to 90,267,765.30, 124,573,087.86 and 50,575,638.42 is: 69,796,382.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,267,765.30 : 124,573,087.86 = 50,575,638.42 : x
  2. Step 2: Convert to fraction form
    90,267,765.30/124,573,087.86 = 50,575,638.42/x
  3. Step 3: Cross multiply
    90,267,765.30x = 124,573,087.86 × 50,575,638.42
  4. Step 4: Simplify right side
    90,267,765.30x = 6,300,363,448,470,252
  5. Step 5: Solve for x
    x = 6,300,363,448,470,252/90,267,765.30
  6. Step 6: Final answer
    x = 69,796,382.21

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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.