Home / 240,084,750.34-331,215,501.45-160,725,378.72

Finding the Fourth Proportional to 240,084,750.34, 331,215,501.45 and 160,725,378.72

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Solution

The fourth proportional to 240,084,750.34, 331,215,501.45 and 160,725,378.72 is: 221,733,103.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,084,750.34 : 331,215,501.45 = 160,725,378.72 : x
  2. Step 2: Convert to fraction form
    240,084,750.34/331,215,501.45 = 160,725,378.72/x
  3. Step 3: Cross multiply
    240,084,750.34x = 331,215,501.45 × 160,725,378.72
  4. Step 4: Simplify right side
    240,084,750.34x = 53,234,736,908,485,960
  5. Step 5: Solve for x
    x = 53,234,736,908,485,960/240,084,750.34
  6. Step 6: Final answer
    x = 221,733,103.97

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1.5x scale

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.