Home / 255,944,528.19-384,132,109.93-239,801,989.59

Finding the Fourth Proportional to 255,944,528.19, 384,132,109.93 and 239,801,989.59

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Solution

The fourth proportional to 255,944,528.19, 384,132,109.93 and 239,801,989.59 is: 359,904,721.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,944,528.19 : 384,132,109.93 = 239,801,989.59 : x
  2. Step 2: Convert to fraction form
    255,944,528.19/384,132,109.93 = 239,801,989.59/x
  3. Step 3: Cross multiply
    255,944,528.19x = 384,132,109.93 × 239,801,989.59
  4. Step 4: Simplify right side
    255,944,528.19x = 92,115,644,226,019,088
  5. Step 5: Solve for x
    x = 92,115,644,226,019,088/255,944,528.19
  6. Step 6: Final answer
    x = 359,904,721.85

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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.