Home / 97,152,940.80-145,785,398.40-36,612,115.20

Finding the Fourth Proportional to 97,152,940.80, 145,785,398.40 and 36,612,115.20

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Solution

The fourth proportional to 97,152,940.80, 145,785,398.40 and 36,612,115.20 is: 54,939,271.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,152,940.80 : 145,785,398.40 = 36,612,115.20 : x
  2. Step 2: Convert to fraction form
    97,152,940.80/145,785,398.40 = 36,612,115.20/x
  3. Step 3: Cross multiply
    97,152,940.80x = 145,785,398.40 × 36,612,115.20
  4. Step 4: Simplify right side
    97,152,940.80x = 5,337,511,800,698,696
  5. Step 5: Solve for x
    x = 5,337,511,800,698,696/97,152,940.80
  6. Step 6: Final answer
    x = 54,939,271.59

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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.