Home / 257,156,685.15-354,905,664.10-144,156,696.97

Finding the Fourth Proportional to 257,156,685.15, 354,905,664.10 and 144,156,696.97

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Solution

The fourth proportional to 257,156,685.15, 354,905,664.10 and 144,156,696.97 is: 198,952,744.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,156,685.15 : 354,905,664.10 = 144,156,696.97 : x
  2. Step 2: Convert to fraction form
    257,156,685.15/354,905,664.10 = 144,156,696.97/x
  3. Step 3: Cross multiply
    257,156,685.15x = 354,905,664.10 × 144,156,696.97
  4. Step 4: Simplify right side
    257,156,685.15x = 51,162,028,272,600,312
  5. Step 5: Solve for x
    x = 51,162,028,272,600,312/257,156,685.15
  6. Step 6: Final answer
    x = 198,952,744.48

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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.