Home / 257,935,333.76-355,950,783-140,460,628.88

Finding the Fourth Proportional to 257,935,333.76, 355,950,783 and 140,460,628.88

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Solution

The fourth proportional to 257,935,333.76, 355,950,783 and 140,460,628.88 is: 193,835,680.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,935,333.76 : 355,950,783 = 140,460,628.88 : x
  2. Step 2: Convert to fraction form
    257,935,333.76/355,950,783 = 140,460,628.88/x
  3. Step 3: Cross multiply
    257,935,333.76x = 355,950,783 × 140,460,628.88
  4. Step 4: Simplify right side
    257,935,333.76x = 49,997,070,830,508,408
  5. Step 5: Solve for x
    x = 49,997,070,830,508,408/257,935,333.76
  6. Step 6: Final answer
    x = 193,835,680.06

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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.