Home / 56,793,265.80-78,374,727.72-30,687,783.54

Finding the Fourth Proportional to 56,793,265.80, 78,374,727.72 and 30,687,783.54

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Solution

The fourth proportional to 56,793,265.80, 78,374,727.72 and 30,687,783.54 is: 42,349,152.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,793,265.80 : 78,374,727.72 = 30,687,783.54 : x
  2. Step 2: Convert to fraction form
    56,793,265.80/78,374,727.72 = 30,687,783.54/x
  3. Step 3: Cross multiply
    56,793,265.80x = 78,374,727.72 × 30,687,783.54
  4. Step 4: Simplify right side
    56,793,265.80x = 2,405,146,679,277,797.50
  5. Step 5: Solve for x
    x = 2,405,146,679,277,797.50/56,793,265.80
  6. Step 6: Final answer
    x = 42,349,152.59

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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.