Home / 140,343,410.16-193,596,150.06-81,599,580.90

Finding the Fourth Proportional to 140,343,410.16, 193,596,150.06 and 81,599,580.90

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Solution

The fourth proportional to 140,343,410.16, 193,596,150.06 and 81,599,580.90 is: 112,562,212.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,343,410.16 : 193,596,150.06 = 81,599,580.90 : x
  2. Step 2: Convert to fraction form
    140,343,410.16/193,596,150.06 = 81,599,580.90/x
  3. Step 3: Cross multiply
    140,343,410.16x = 193,596,150.06 × 81,599,580.90
  4. Step 4: Simplify right side
    140,343,410.16x = 15,797,364,708,749,512
  5. Step 5: Solve for x
    x = 15,797,364,708,749,512/140,343,410.16
  6. Step 6: Final answer
    x = 112,562,212.15

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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.