Home / 72,423,604.80-108,564,548.40-29,235,166.20

Finding the Fourth Proportional to 72,423,604.80, 108,564,548.40 and 29,235,166.20

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Solution

The fourth proportional to 72,423,604.80, 108,564,548.40 and 29,235,166.20 is: 43,824,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,423,604.80 : 108,564,548.40 = 29,235,166.20 : x
  2. Step 2: Convert to fraction form
    72,423,604.80/108,564,548.40 = 29,235,166.20/x
  3. Step 3: Cross multiply
    72,423,604.80x = 108,564,548.40 × 29,235,166.20
  4. Step 4: Simplify right side
    72,423,604.80x = 3,173,902,615,901,944
  5. Step 5: Solve for x
    x = 3,173,902,615,901,944/72,423,604.80
  6. Step 6: Final answer
    x = 43,824,145.80

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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.