Home / 61,261,336.80-91,892,005.20-47,390,726.70

Finding the Fourth Proportional to 61,261,336.80, 91,892,005.20 and 47,390,726.70

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Solution

The fourth proportional to 61,261,336.80, 91,892,005.20 and 47,390,726.70 is: 71,086,090.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,261,336.80 : 91,892,005.20 = 47,390,726.70 : x
  2. Step 2: Convert to fraction form
    61,261,336.80/91,892,005.20 = 47,390,726.70/x
  3. Step 3: Cross multiply
    61,261,336.80x = 91,892,005.20 × 47,390,726.70
  4. Step 4: Simplify right side
    61,261,336.80x = 4,354,828,904,348,179.50
  5. Step 5: Solve for x
    x = 4,354,828,904,348,179.50/61,261,336.80
  6. Step 6: Final answer
    x = 71,086,090.05

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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.