Home / 42,887,071.80-64,342,617.30-17,346,022.20

Finding the Fourth Proportional to 42,887,071.80, 64,342,617.30 and 17,346,022.20

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Solution

The fourth proportional to 42,887,071.80, 64,342,617.30 and 17,346,022.20 is: 26,023,890.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,887,071.80 : 64,342,617.30 = 17,346,022.20 : x
  2. Step 2: Convert to fraction form
    42,887,071.80/64,342,617.30 = 17,346,022.20/x
  3. Step 3: Cross multiply
    42,887,071.80x = 64,342,617.30 × 17,346,022.20
  4. Step 4: Simplify right side
    42,887,071.80x = 1,116,088,468,091,904
  5. Step 5: Solve for x
    x = 1,116,088,468,091,904/42,887,071.80
  6. Step 6: Final answer
    x = 26,023,890.68

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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.