Home / 234,205,557.28-323,205,582.72-129,785,372.80

Finding the Fourth Proportional to 234,205,557.28, 323,205,582.72 and 129,785,372.80

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Solution

The fourth proportional to 234,205,557.28, 323,205,582.72 and 129,785,372.80 is: 179,104,874.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,205,557.28 : 323,205,582.72 = 129,785,372.80 : x
  2. Step 2: Convert to fraction form
    234,205,557.28/323,205,582.72 = 129,785,372.80/x
  3. Step 3: Cross multiply
    234,205,557.28x = 323,205,582.72 × 129,785,372.80
  4. Step 4: Simplify right side
    234,205,557.28x = 41,947,357,044,356,440
  5. Step 5: Solve for x
    x = 41,947,357,044,356,440/234,205,557.28
  6. Step 6: Final answer
    x = 179,104,874.93

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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.