Home / 42,745,090.80-64,117,636.20-17,172,937.20

Finding the Fourth Proportional to 42,745,090.80, 64,117,636.20 and 17,172,937.20

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Solution

The fourth proportional to 42,745,090.80, 64,117,636.20 and 17,172,937.20 is: 25,759,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,745,090.80 : 64,117,636.20 = 17,172,937.20 : x
  2. Step 2: Convert to fraction form
    42,745,090.80/64,117,636.20 = 17,172,937.20/x
  3. Step 3: Cross multiply
    42,745,090.80x = 64,117,636.20 × 17,172,937.20
  4. Step 4: Simplify right side
    42,745,090.80x = 1,101,088,139,875,046.62
  5. Step 5: Solve for x
    x = 1,101,088,139,875,046.62/42,745,090.80
  6. Step 6: Final answer
    x = 25,759,405.80

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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.