Home / 56,970,688.75-78,619,241.69-31,852,793.13

Finding the Fourth Proportional to 56,970,688.75, 78,619,241.69 and 31,852,793.13

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Solution

The fourth proportional to 56,970,688.75, 78,619,241.69 and 31,852,793.13 is: 43,956,681.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,970,688.75 : 78,619,241.69 = 31,852,793.13 : x
  2. Step 2: Convert to fraction form
    56,970,688.75/78,619,241.69 = 31,852,793.13/x
  3. Step 3: Cross multiply
    56,970,688.75x = 78,619,241.69 × 31,852,793.13
  4. Step 4: Simplify right side
    56,970,688.75x = 2,504,242,441,628,728.50
  5. Step 5: Solve for x
    x = 2,504,242,441,628,728.50/56,970,688.75
  6. Step 6: Final answer
    x = 43,956,681.87

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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.