Home / 66,455,260.80-99,612,032.40-25,498,874.40

Finding the Fourth Proportional to 66,455,260.80, 99,612,032.40 and 25,498,874.40

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Solution

The fourth proportional to 66,455,260.80, 99,612,032.40 and 25,498,874.40 is: 38,221,123.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,455,260.80 : 99,612,032.40 = 25,498,874.40 : x
  2. Step 2: Convert to fraction form
    66,455,260.80/99,612,032.40 = 25,498,874.40/x
  3. Step 3: Cross multiply
    66,455,260.80x = 99,612,032.40 × 25,498,874.40
  4. Step 4: Simplify right side
    66,455,260.80x = 2,539,994,702,896,330.50
  5. Step 5: Solve for x
    x = 2,539,994,702,896,330.50/66,455,260.80
  6. Step 6: Final answer
    x = 38,221,123.09

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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.