Home / 70,489,145.51-105,755,365.93-33,648,046.89

Finding the Fourth Proportional to 70,489,145.51, 105,755,365.93 and 33,648,046.89

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Solution

The fourth proportional to 70,489,145.51, 105,755,365.93 and 33,648,046.89 is: 50,482,403.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,489,145.51 : 105,755,365.93 = 33,648,046.89 : x
  2. Step 2: Convert to fraction form
    70,489,145.51/105,755,365.93 = 33,648,046.89/x
  3. Step 3: Cross multiply
    70,489,145.51x = 105,755,365.93 × 33,648,046.89
  4. Step 4: Simplify right side
    70,489,145.51x = 3,558,461,511,169,416
  5. Step 5: Solve for x
    x = 3,558,461,511,169,416/70,489,145.51
  6. Step 6: Final answer
    x = 50,482,403.85

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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.