Home / 172,105,960.13-258,209,405.22-55,518,980.30

Finding the Fourth Proportional to 172,105,960.13, 258,209,405.22 and 55,518,980.30

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Solution

The fourth proportional to 172,105,960.13, 258,209,405.22 and 55,518,980.30 is: 83,294,749.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,105,960.13 : 258,209,405.22 = 55,518,980.30 : x
  2. Step 2: Convert to fraction form
    172,105,960.13/258,209,405.22 = 55,518,980.30/x
  3. Step 3: Cross multiply
    172,105,960.13x = 258,209,405.22 × 55,518,980.30
  4. Step 4: Simplify right side
    172,105,960.13x = 14,335,522,881,683,896
  5. Step 5: Solve for x
    x = 14,335,522,881,683,896/172,105,960.13
  6. Step 6: Final answer
    x = 83,294,749.76

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1.5x scale

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.