Home / 56,771,165.96-78,344,239.32-30,665,683.25

Finding the Fourth Proportional to 56,771,165.96, 78,344,239.32 and 30,665,683.25

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Solution

The fourth proportional to 56,771,165.96, 78,344,239.32 and 30,665,683.25 is: 42,318,659.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,771,165.96 : 78,344,239.32 = 30,665,683.25 : x
  2. Step 2: Convert to fraction form
    56,771,165.96/78,344,239.32 = 30,665,683.25/x
  3. Step 3: Cross multiply
    56,771,165.96x = 78,344,239.32 × 30,665,683.25
  4. Step 4: Simplify right side
    56,771,165.96x = 2,402,479,627,057,594
  5. Step 5: Solve for x
    x = 2,402,479,627,057,594/56,771,165.96
  6. Step 6: Final answer
    x = 42,318,659.25

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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.