Home / 47,242,869.62-70,838,661.05-21,304,822.52

Finding the Fourth Proportional to 47,242,869.62, 70,838,661.05 and 21,304,822.52

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Solution

The fourth proportional to 47,242,869.62, 70,838,661.05 and 21,304,822.52 is: 31,945,669.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,242,869.62 : 70,838,661.05 = 21,304,822.52 : x
  2. Step 2: Convert to fraction form
    47,242,869.62/70,838,661.05 = 21,304,822.52/x
  3. Step 3: Cross multiply
    47,242,869.62x = 70,838,661.05 × 21,304,822.52
  4. Step 4: Simplify right side
    47,242,869.62x = 1,509,205,101,295,259.50
  5. Step 5: Solve for x
    x = 1,509,205,101,295,259.50/47,242,869.62
  6. Step 6: Final answer
    x = 31,945,669.54

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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.