Home / 100,707,243.24-151,060,358.41-87,018,739.16

Finding the Fourth Proportional to 100,707,243.24, 151,060,358.41 and 87,018,739.16

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Solution

The fourth proportional to 100,707,243.24, 151,060,358.41 and 87,018,739.16 is: 130,527,671.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,707,243.24 : 151,060,358.41 = 87,018,739.16 : x
  2. Step 2: Convert to fraction form
    100,707,243.24/151,060,358.41 = 87,018,739.16/x
  3. Step 3: Cross multiply
    100,707,243.24x = 151,060,358.41 × 87,018,739.16
  4. Step 4: Simplify right side
    100,707,243.24x = 13,145,081,926,056,006
  5. Step 5: Solve for x
    x = 13,145,081,926,056,006/100,707,243.24
  6. Step 6: Final answer
    x = 130,527,671.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.