Home / 70,734,750.72-97,613,940.96-39,372,123.39

Finding the Fourth Proportional to 70,734,750.72, 97,613,940.96 and 39,372,123.39

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Solution

The fourth proportional to 70,734,750.72, 97,613,940.96 and 39,372,123.39 is: 54,333,521.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,734,750.72 : 97,613,940.96 = 39,372,123.39 : x
  2. Step 2: Convert to fraction form
    70,734,750.72/97,613,940.96 = 39,372,123.39/x
  3. Step 3: Cross multiply
    70,734,750.72x = 97,613,940.96 × 39,372,123.39
  4. Step 4: Simplify right side
    70,734,750.72x = 3,843,268,128,061,295
  5. Step 5: Solve for x
    x = 3,843,268,128,061,295/70,734,750.72
  6. Step 6: Final answer
    x = 54,333,521.91

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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.