Home / 140,537,003,662.80-193,935,625,606.80-76,306,257,871.20

Finding the Fourth Proportional to 140,537,003,662.80, 193,935,625,606.80 and 76,306,257,871.20

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Solution

The fourth proportional to 140,537,003,662.80, 193,935,625,606.80 and 76,306,257,871.20 is: 105,299,682,448.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,537,003,662.80 : 193,935,625,606.80 = 76,306,257,871.20 : x
  2. Step 2: Convert to fraction form
    140,537,003,662.80/193,935,625,606.80 = 76,306,257,871.20/x
  3. Step 3: Cross multiply
    140,537,003,662.80x = 193,935,625,606.80 × 76,306,257,871.20
  4. Step 4: Simplify right side
    140,537,003,662.80x = 14,798,501,857,964,977,029,120
  5. Step 5: Solve for x
    x = 14,798,501,857,964,977,029,120/140,537,003,662.80
  6. Step 6: Final answer
    x = 105,299,682,448.56

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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.