Home / 72,612,042.30-108,918,063.45-26,553,822.30

Finding the Fourth Proportional to 72,612,042.30, 108,918,063.45 and 26,553,822.30

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Solution

The fourth proportional to 72,612,042.30, 108,918,063.45 and 26,553,822.30 is: 39,830,733.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,612,042.30 : 108,918,063.45 = 26,553,822.30 : x
  2. Step 2: Convert to fraction form
    72,612,042.30/108,918,063.45 = 26,553,822.30/x
  3. Step 3: Cross multiply
    72,612,042.30x = 108,918,063.45 × 26,553,822.30
  4. Step 4: Simplify right side
    72,612,042.30x = 2,892,190,902,111,425
  5. Step 5: Solve for x
    x = 2,892,190,902,111,425/72,612,042.30
  6. Step 6: Final answer
    x = 39,830,733.45

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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.