Home / 70,220,789.62-105,372,796.04-39,122,476.36

Finding the Fourth Proportional to 70,220,789.62, 105,372,796.04 and 39,122,476.36

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Solution

The fourth proportional to 70,220,789.62, 105,372,796.04 and 39,122,476.36 is: 58,706,897.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,220,789.62 : 105,372,796.04 = 39,122,476.36 : x
  2. Step 2: Convert to fraction form
    70,220,789.62/105,372,796.04 = 39,122,476.36/x
  3. Step 3: Cross multiply
    70,220,789.62x = 105,372,796.04 × 39,122,476.36
  4. Step 4: Simplify right side
    70,220,789.62x = 4,122,444,721,655,703.50
  5. Step 5: Solve for x
    x = 4,122,444,721,655,703.50/70,220,789.62
  6. Step 6: Final answer
    x = 58,706,897.83

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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.