Home / 186,657,945.22-280,000,370.02-71,642,487.56

Finding the Fourth Proportional to 186,657,945.22, 280,000,370.02 and 71,642,487.56

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Solution

The fourth proportional to 186,657,945.22, 280,000,370.02 and 71,642,487.56 is: 107,468,894.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,657,945.22 : 280,000,370.02 = 71,642,487.56 : x
  2. Step 2: Convert to fraction form
    186,657,945.22/280,000,370.02 = 71,642,487.56/x
  3. Step 3: Cross multiply
    186,657,945.22x = 280,000,370.02 × 71,642,487.56
  4. Step 4: Simplify right side
    186,657,945.22x = 20,059,923,025,953,248
  5. Step 5: Solve for x
    x = 20,059,923,025,953,248/186,657,945.22
  6. Step 6: Final answer
    x = 107,468,894.52

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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.