Home / 72,980,784.27-100,713,521.52-39,941,014.05

Finding the Fourth Proportional to 72,980,784.27, 100,713,521.52 and 39,941,014.05

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Solution

The fourth proportional to 72,980,784.27, 100,713,521.52 and 39,941,014.05 is: 55,118,620.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,980,784.27 : 100,713,521.52 = 39,941,014.05 : x
  2. Step 2: Convert to fraction form
    72,980,784.27/100,713,521.52 = 39,941,014.05/x
  3. Step 3: Cross multiply
    72,980,784.27x = 100,713,521.52 × 39,941,014.05
  4. Step 4: Simplify right side
    72,980,784.27x = 4,022,600,178,055,297
  5. Step 5: Solve for x
    x = 4,022,600,178,055,297/72,980,784.27
  6. Step 6: Final answer
    x = 55,118,620.86

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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.