Home / 66,208,051.60-99,326,371.84-20,153,521.96

Finding the Fourth Proportional to 66,208,051.60, 99,326,371.84 and 20,153,521.96

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Solution

The fourth proportional to 66,208,051.60, 99,326,371.84 and 20,153,521.96 is: 30,234,634.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,208,051.60 : 99,326,371.84 = 20,153,521.96 : x
  2. Step 2: Convert to fraction form
    66,208,051.60/99,326,371.84 = 20,153,521.96/x
  3. Step 3: Cross multiply
    66,208,051.60x = 99,326,371.84 × 20,153,521.96
  4. Step 4: Simplify right side
    66,208,051.60x = 2,001,776,216,084,565.75
  5. Step 5: Solve for x
    x = 2,001,776,216,084,565.75/66,208,051.60
  6. Step 6: Final answer
    x = 30,234,634.12

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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.