Home / 165,280,259.45-247,920,389.18-155,202,563.45

Finding the Fourth Proportional to 165,280,259.45, 247,920,389.18 and 155,202,563.45

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Solution

The fourth proportional to 165,280,259.45, 247,920,389.18 and 155,202,563.45 is: 232,803,845.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,280,259.45 : 247,920,389.18 = 155,202,563.45 : x
  2. Step 2: Convert to fraction form
    165,280,259.45/247,920,389.18 = 155,202,563.45/x
  3. Step 3: Cross multiply
    165,280,259.45x = 247,920,389.18 × 155,202,563.45
  4. Step 4: Simplify right side
    165,280,259.45x = 38,477,879,932,257,640
  5. Step 5: Solve for x
    x = 38,477,879,932,257,640/165,280,259.45
  6. Step 6: Final answer
    x = 232,803,845.18

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Double scale
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Similar ratio
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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.