Home / 274,931,820.50-379,403,244.92-149,484,014.71

Finding the Fourth Proportional to 274,931,820.50, 379,403,244.92 and 149,484,014.71

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Solution

The fourth proportional to 274,931,820.50, 379,403,244.92 and 149,484,014.71 is: 206,286,490.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,931,820.50 : 379,403,244.92 = 149,484,014.71 : x
  2. Step 2: Convert to fraction form
    274,931,820.50/379,403,244.92 = 149,484,014.71/x
  3. Step 3: Cross multiply
    274,931,820.50x = 379,403,244.92 × 149,484,014.71
  4. Step 4: Simplify right side
    274,931,820.50x = 56,714,720,245,117,272
  5. Step 5: Solve for x
    x = 56,714,720,245,117,272/274,931,820.50
  6. Step 6: Final answer
    x = 206,286,490.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.