Home / 72,653,776.30-108,918,939.67-33,814,782.45

Finding the Fourth Proportional to 72,653,776.30, 108,918,939.67 and 33,814,782.45

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Solution

The fourth proportional to 72,653,776.30, 108,918,939.67 and 33,814,782.45 is: 50,693,445.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,653,776.30 : 108,918,939.67 = 33,814,782.45 : x
  2. Step 2: Convert to fraction form
    72,653,776.30/108,918,939.67 = 33,814,782.45/x
  3. Step 3: Cross multiply
    72,653,776.30x = 108,918,939.67 × 33,814,782.45
  4. Step 4: Simplify right side
    72,653,776.30x = 3,683,070,249,541,188.50
  5. Step 5: Solve for x
    x = 3,683,070,249,541,188.50/72,653,776.30
  6. Step 6: Final answer
    x = 50,693,445.50

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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.