Home / 265,963,885.20-398,945,827.80-163,927,213.20

Finding the Fourth Proportional to 265,963,885.20, 398,945,827.80 and 163,927,213.20

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Solution

The fourth proportional to 265,963,885.20, 398,945,827.80 and 163,927,213.20 is: 245,890,819.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,963,885.20 : 398,945,827.80 = 163,927,213.20 : x
  2. Step 2: Convert to fraction form
    265,963,885.20/398,945,827.80 = 163,927,213.20/x
  3. Step 3: Cross multiply
    265,963,885.20x = 398,945,827.80 × 163,927,213.20
  4. Step 4: Simplify right side
    265,963,885.20x = 65,398,077,769,021,088
  5. Step 5: Solve for x
    x = 65,398,077,769,021,088/265,963,885.20
  6. Step 6: Final answer
    x = 245,890,819.80

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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.