Home / 84,054,000.70-126,039,010.65-38,564,400.70

Finding the Fourth Proportional to 84,054,000.70, 126,039,010.65 and 38,564,400.70

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Solution

The fourth proportional to 84,054,000.70, 126,039,010.65 and 38,564,400.70 is: 57,827,335.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,054,000.70 : 126,039,010.65 = 38,564,400.70 : x
  2. Step 2: Convert to fraction form
    84,054,000.70/126,039,010.65 = 38,564,400.70/x
  3. Step 3: Cross multiply
    84,054,000.70x = 126,039,010.65 × 38,564,400.70
  4. Step 4: Simplify right side
    84,054,000.70x = 4,860,618,910,538,168
  5. Step 5: Solve for x
    x = 4,860,618,910,538,168/84,054,000.70
  6. Step 6: Final answer
    x = 57,827,335.64

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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.