Home / 189,385,686,207.92-261,350,164,899.18-102,576,096,422.77

Finding the Fourth Proportional to 189,385,686,207.92, 261,350,164,899.18 and 102,576,096,422.77

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Solution

The fourth proportional to 189,385,686,207.92, 261,350,164,899.18 and 102,576,096,422.77 is: 141,553,885,362.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,385,686,207.92 : 261,350,164,899.18 = 102,576,096,422.77 : x
  2. Step 2: Convert to fraction form
    189,385,686,207.92/261,350,164,899.18 = 102,576,096,422.77/x
  3. Step 3: Cross multiply
    189,385,686,207.92x = 261,350,164,899.18 × 102,576,096,422.77
  4. Step 4: Simplify right side
    189,385,686,207.92x = 26,808,279,714,805,128,888,320
  5. Step 5: Solve for x
    x = 26,808,279,714,805,128,888,320/189,385,686,207.92
  6. Step 6: Final answer
    x = 141,553,885,362.66

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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.