Home / 298,278,487.95-447,390,126.02-140,675,365.05

Finding the Fourth Proportional to 298,278,487.95, 447,390,126.02 and 140,675,365.05

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Solution

The fourth proportional to 298,278,487.95, 447,390,126.02 and 140,675,365.05 is: 211,000,027.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,278,487.95 : 447,390,126.02 = 140,675,365.05 : x
  2. Step 2: Convert to fraction form
    298,278,487.95/447,390,126.02 = 140,675,365.05/x
  3. Step 3: Cross multiply
    298,278,487.95x = 447,390,126.02 × 140,675,365.05
  4. Step 4: Simplify right side
    298,278,487.95x = 62,936,769,296,925,632
  5. Step 5: Solve for x
    x = 62,936,769,296,925,632/298,278,487.95
  6. Step 6: Final answer
    x = 211,000,027.96

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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.