Home / 295,189,510.80-442,400,199.24-120,108,507.12

Finding the Fourth Proportional to 295,189,510.80, 442,400,199.24 and 120,108,507.12

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Solution

The fourth proportional to 295,189,510.80, 442,400,199.24 and 120,108,507.12 is: 180,006,489.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,189,510.80 : 442,400,199.24 = 120,108,507.12 : x
  2. Step 2: Convert to fraction form
    295,189,510.80/442,400,199.24 = 120,108,507.12/x
  3. Step 3: Cross multiply
    295,189,510.80x = 442,400,199.24 × 120,108,507.12
  4. Step 4: Simplify right side
    295,189,510.80x = 53,136,027,480,306,960
  5. Step 5: Solve for x
    x = 53,136,027,480,306,960/295,189,510.80
  6. Step 6: Final answer
    x = 180,006,489.17

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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.