Home / 265,963,884.70-398,945,827.05-163,927,212.70

Finding the Fourth Proportional to 265,963,884.70, 398,945,827.05 and 163,927,212.70

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Solution

The fourth proportional to 265,963,884.70, 398,945,827.05 and 163,927,212.70 is: 245,890,819.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,963,884.70 : 398,945,827.05 = 163,927,212.70 : x
  2. Step 2: Convert to fraction form
    265,963,884.70/398,945,827.05 = 163,927,212.70/x
  3. Step 3: Cross multiply
    265,963,884.70x = 398,945,827.05 × 163,927,212.70
  4. Step 4: Simplify right side
    265,963,884.70x = 65,398,077,446,602,760
  5. Step 5: Solve for x
    x = 65,398,077,446,602,760/265,963,884.70
  6. Step 6: Final answer
    x = 245,890,819.05

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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.