Home / 228,348,018-315,120,429.24-123,926,062.32

Finding the Fourth Proportional to 228,348,018, 315,120,429.24 and 123,926,062.32

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Solution

The fourth proportional to 228,348,018, 315,120,429.24 and 123,926,062.32 is: 171,018,055.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,348,018 : 315,120,429.24 = 123,926,062.32 : x
  2. Step 2: Convert to fraction form
    228,348,018/315,120,429.24 = 123,926,062.32/x
  3. Step 3: Cross multiply
    228,348,018x = 315,120,429.24 × 123,926,062.32
  4. Step 4: Simplify right side
    228,348,018x = 39,051,633,952,301,392
  5. Step 5: Solve for x
    x = 39,051,633,952,301,392/228,348,018
  6. Step 6: Final answer
    x = 171,018,055.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.