Home / 170,392,004.70-255,588,007.05-140,158,916.70

Finding the Fourth Proportional to 170,392,004.70, 255,588,007.05 and 140,158,916.70

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Solution

The fourth proportional to 170,392,004.70, 255,588,007.05 and 140,158,916.70 is: 210,238,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,392,004.70 : 255,588,007.05 = 140,158,916.70 : x
  2. Step 2: Convert to fraction form
    170,392,004.70/255,588,007.05 = 140,158,916.70/x
  3. Step 3: Cross multiply
    170,392,004.70x = 255,588,007.05 × 140,158,916.70
  4. Step 4: Simplify right side
    170,392,004.70x = 35,822,938,189,639,960
  5. Step 5: Solve for x
    x = 35,822,938,189,639,960/170,392,004.70
  6. Step 6: Final answer
    x = 210,238,375.05

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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.