Home / 78,019,723.58-116,938,945.10-29,466,683.34

Finding the Fourth Proportional to 78,019,723.58, 116,938,945.10 and 29,466,683.34

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Solution

The fourth proportional to 78,019,723.58, 116,938,945.10 and 29,466,683.34 is: 44,165,791.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,019,723.58 : 116,938,945.10 = 29,466,683.34 : x
  2. Step 2: Convert to fraction form
    78,019,723.58/116,938,945.10 = 29,466,683.34/x
  3. Step 3: Cross multiply
    78,019,723.58x = 116,938,945.10 × 29,466,683.34
  4. Step 4: Simplify right side
    78,019,723.58x = 3,445,802,865,375,344.50
  5. Step 5: Solve for x
    x = 3,445,802,865,375,344.50/78,019,723.58
  6. Step 6: Final answer
    x = 44,165,791.77

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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.