Home / 185,930,243.40-278,895,365.10-99,836,801.40

Finding the Fourth Proportional to 185,930,243.40, 278,895,365.10 and 99,836,801.40

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Solution

The fourth proportional to 185,930,243.40, 278,895,365.10 and 99,836,801.40 is: 149,755,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,930,243.40 : 278,895,365.10 = 99,836,801.40 : x
  2. Step 2: Convert to fraction form
    185,930,243.40/278,895,365.10 = 99,836,801.40/x
  3. Step 3: Cross multiply
    185,930,243.40x = 278,895,365.10 × 99,836,801.40
  4. Step 4: Simplify right side
    185,930,243.40x = 27,844,021,176,869,196
  5. Step 5: Solve for x
    x = 27,844,021,176,869,196/185,930,243.40
  6. Step 6: Final answer
    x = 149,755,202.10

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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.