Home / 84,595,783.80-126,896,434.74-40,270,452.60

Finding the Fourth Proportional to 84,595,783.80, 126,896,434.74 and 40,270,452.60

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Solution

The fourth proportional to 84,595,783.80, 126,896,434.74 and 40,270,452.60 is: 60,406,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,595,783.80 : 126,896,434.74 = 40,270,452.60 : x
  2. Step 2: Convert to fraction form
    84,595,783.80/126,896,434.74 = 40,270,452.60/x
  3. Step 3: Cross multiply
    84,595,783.80x = 126,896,434.74 × 40,270,452.60
  4. Step 4: Simplify right side
    84,595,783.80x = 5,110,176,860,306,163
  5. Step 5: Solve for x
    x = 5,110,176,860,306,163/84,595,783.80
  6. Step 6: Final answer
    x = 60,406,992.30

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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.