Home / 30,581,710.80-45,872,566.20-29,405,979.60

Finding the Fourth Proportional to 30,581,710.80, 45,872,566.20 and 29,405,979.60

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Solution

The fourth proportional to 30,581,710.80, 45,872,566.20 and 29,405,979.60 is: 44,108,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,581,710.80 : 45,872,566.20 = 29,405,979.60 : x
  2. Step 2: Convert to fraction form
    30,581,710.80/45,872,566.20 = 29,405,979.60/x
  3. Step 3: Cross multiply
    30,581,710.80x = 45,872,566.20 × 29,405,979.60
  4. Step 4: Simplify right side
    30,581,710.80x = 1,348,927,745,876,849.75
  5. Step 5: Solve for x
    x = 1,348,927,745,876,849.75/30,581,710.80
  6. Step 6: Final answer
    x = 44,108,969.40

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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.