Home / 165,280,111.20-247,920,166.80-155,202,415.20

Finding the Fourth Proportional to 165,280,111.20, 247,920,166.80 and 155,202,415.20

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Solution

The fourth proportional to 165,280,111.20, 247,920,166.80 and 155,202,415.20 is: 232,803,622.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,280,111.20 : 247,920,166.80 = 155,202,415.20 : x
  2. Step 2: Convert to fraction form
    165,280,111.20/247,920,166.80 = 155,202,415.20/x
  3. Step 3: Cross multiply
    165,280,111.20x = 247,920,166.80 × 155,202,415.20
  4. Step 4: Simplify right side
    165,280,111.20x = 38,477,808,664,146,856
  5. Step 5: Solve for x
    x = 38,477,808,664,146,856/165,280,111.20
  6. Step 6: Final answer
    x = 232,803,622.80

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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.