Home / 70,538,299.34-97,343,078.60-39,176,342.64

Finding the Fourth Proportional to 70,538,299.34, 97,343,078.60 and 39,176,342.64

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Solution

The fourth proportional to 70,538,299.34, 97,343,078.60 and 39,176,342.64 is: 54,063,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,538,299.34 : 97,343,078.60 = 39,176,342.64 : x
  2. Step 2: Convert to fraction form
    70,538,299.34/97,343,078.60 = 39,176,342.64/x
  3. Step 3: Cross multiply
    70,538,299.34x = 97,343,078.60 × 39,176,342.64
  4. Step 4: Simplify right side
    70,538,299.34x = 3,813,545,800,963,992.50
  5. Step 5: Solve for x
    x = 3,813,545,800,963,992.50/70,538,299.34
  6. Step 6: Final answer
    x = 54,063,478.10

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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.