Home / 199,712,220.80-299,568,331.20-97,423,606.40

Finding the Fourth Proportional to 199,712,220.80, 299,568,331.20 and 97,423,606.40

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Solution

The fourth proportional to 199,712,220.80, 299,568,331.20 and 97,423,606.40 is: 146,135,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,712,220.80 : 299,568,331.20 = 97,423,606.40 : x
  2. Step 2: Convert to fraction form
    199,712,220.80/299,568,331.20 = 97,423,606.40/x
  3. Step 3: Cross multiply
    199,712,220.80x = 299,568,331.20 × 97,423,606.40
  4. Step 4: Simplify right side
    199,712,220.80x = 29,185,027,188,733,640
  5. Step 5: Solve for x
    x = 29,185,027,188,733,640/199,712,220.80
  6. Step 6: Final answer
    x = 146,135,409.60

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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.