Home / 42,887,328.80-64,343,002.80-17,346,279.20

Finding the Fourth Proportional to 42,887,328.80, 64,343,002.80 and 17,346,279.20

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Solution

The fourth proportional to 42,887,328.80, 64,343,002.80 and 17,346,279.20 is: 26,024,276.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,887,328.80 : 64,343,002.80 = 17,346,279.20 : x
  2. Step 2: Convert to fraction form
    42,887,328.80/64,343,002.80 = 17,346,279.20/x
  3. Step 3: Cross multiply
    42,887,328.80x = 64,343,002.80 × 17,346,279.20
  4. Step 4: Simplify right side
    42,887,328.80x = 1,116,111,691,135,181.62
  5. Step 5: Solve for x
    x = 1,116,111,691,135,181.62/42,887,328.80
  6. Step 6: Final answer
    x = 26,024,276.22

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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.