Home / 98,489,556.48-148,406,597.76-80,931,970.56

Finding the Fourth Proportional to 98,489,556.48, 148,406,597.76 and 80,931,970.56

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Solution

The fourth proportional to 98,489,556.48, 148,406,597.76 and 80,931,970.56 is: 121,950,375.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,489,556.48 : 148,406,597.76 = 80,931,970.56 : x
  2. Step 2: Convert to fraction form
    98,489,556.48/148,406,597.76 = 80,931,970.56/x
  3. Step 3: Cross multiply
    98,489,556.48x = 148,406,597.76 × 80,931,970.56
  4. Step 4: Simplify right side
    98,489,556.48x = 12,010,838,400,822,082
  5. Step 5: Solve for x
    x = 12,010,838,400,822,082/98,489,556.48
  6. Step 6: Final answer
    x = 121,950,375.55

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.