Home / 66,521,765.60-99,707,998.80-37,781,669.60

Finding the Fourth Proportional to 66,521,765.60, 99,707,998.80 and 37,781,669.60

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Solution

The fourth proportional to 66,521,765.60, 99,707,998.80 and 37,781,669.60 is: 56,630,106.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,521,765.60 : 99,707,998.80 = 37,781,669.60 : x
  2. Step 2: Convert to fraction form
    66,521,765.60/99,707,998.80 = 37,781,669.60/x
  3. Step 3: Cross multiply
    66,521,765.60x = 99,707,998.80 × 37,781,669.60
  4. Step 4: Simplify right side
    66,521,765.60x = 3,767,134,667,138,796.50
  5. Step 5: Solve for x
    x = 3,767,134,667,138,796.50/66,521,765.60
  6. Step 6: Final answer
    x = 56,630,106.45

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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.