Home / 157,465,138.10-236,197,707.15-143,116,231.10

Finding the Fourth Proportional to 157,465,138.10, 236,197,707.15 and 143,116,231.10

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Solution

The fourth proportional to 157,465,138.10, 236,197,707.15 and 143,116,231.10 is: 214,674,346.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,138.10 : 236,197,707.15 = 143,116,231.10 : x
  2. Step 2: Convert to fraction form
    157,465,138.10/236,197,707.15 = 143,116,231.10/x
  3. Step 3: Cross multiply
    157,465,138.10x = 236,197,707.15 × 143,116,231.10
  4. Step 4: Simplify right side
    157,465,138.10x = 33,803,725,641,769,520
  5. Step 5: Solve for x
    x = 33,803,725,641,769,520/157,465,138.10
  6. Step 6: Final answer
    x = 214,674,346.65

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Double scale
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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.