Home / 66,807,966.86-100,081,488.72-31,743,181.34

Finding the Fourth Proportional to 66,807,966.86, 100,081,488.72 and 31,743,181.34

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Solution

The fourth proportional to 66,807,966.86, 100,081,488.72 and 31,743,181.34 is: 47,552,784.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,807,966.86 : 100,081,488.72 = 31,743,181.34 : x
  2. Step 2: Convert to fraction form
    66,807,966.86/100,081,488.72 = 31,743,181.34/x
  3. Step 3: Cross multiply
    66,807,966.86x = 100,081,488.72 × 31,743,181.34
  4. Step 4: Simplify right side
    66,807,966.86x = 3,176,904,845,216,124.50
  5. Step 5: Solve for x
    x = 3,176,904,845,216,124.50/66,807,966.86
  6. Step 6: Final answer
    x = 47,552,784.41

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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.