Home / 97,171,853.40-145,757,780.10-39,645,005.40

Finding the Fourth Proportional to 97,171,853.40, 145,757,780.10 and 39,645,005.40

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Solution

The fourth proportional to 97,171,853.40, 145,757,780.10 and 39,645,005.40 is: 59,467,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,171,853.40 : 145,757,780.10 = 39,645,005.40 : x
  2. Step 2: Convert to fraction form
    97,171,853.40/145,757,780.10 = 39,645,005.40/x
  3. Step 3: Cross multiply
    97,171,853.40x = 145,757,780.10 × 39,645,005.40
  4. Step 4: Simplify right side
    97,171,853.40x = 5,778,567,979,156,512
  5. Step 5: Solve for x
    x = 5,778,567,979,156,512/97,171,853.40
  6. Step 6: Final answer
    x = 59,467,508.10

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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.