Home / 72,115,770.67-108,172,711.14-17,528,197.62

Finding the Fourth Proportional to 72,115,770.67, 108,172,711.14 and 17,528,197.62

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Solution

The fourth proportional to 72,115,770.67, 108,172,711.14 and 17,528,197.62 is: 26,292,066.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,115,770.67 : 108,172,711.14 = 17,528,197.62 : x
  2. Step 2: Convert to fraction form
    72,115,770.67/108,172,711.14 = 17,528,197.62/x
  3. Step 3: Cross multiply
    72,115,770.67x = 108,172,711.14 × 17,528,197.62
  4. Step 4: Simplify right side
    72,115,770.67x = 1,896,072,657,953,095.50
  5. Step 5: Solve for x
    x = 1,896,072,657,953,095.50/72,115,770.67
  6. Step 6: Final answer
    x = 26,292,066.77

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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.