Home / 274,931,820.19-379,403,244.49-149,484,014.40

Finding the Fourth Proportional to 274,931,820.19, 379,403,244.49 and 149,484,014.40

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Solution

The fourth proportional to 274,931,820.19, 379,403,244.49 and 149,484,014.40 is: 206,286,489.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,931,820.19 : 379,403,244.49 = 149,484,014.40 : x
  2. Step 2: Convert to fraction form
    274,931,820.19/379,403,244.49 = 149,484,014.40/x
  3. Step 3: Cross multiply
    274,931,820.19x = 379,403,244.49 × 149,484,014.40
  4. Step 4: Simplify right side
    274,931,820.19x = 56,714,720,061,942,424
  5. Step 5: Solve for x
    x = 56,714,720,061,942,424/274,931,820.19
  6. Step 6: Final answer
    x = 206,286,489.58

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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.