Home / 112,267,572.60-168,401,358.90-69,185,422.20

Finding the Fourth Proportional to 112,267,572.60, 168,401,358.90 and 69,185,422.20

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Solution

The fourth proportional to 112,267,572.60, 168,401,358.90 and 69,185,422.20 is: 103,778,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,267,572.60 : 168,401,358.90 = 69,185,422.20 : x
  2. Step 2: Convert to fraction form
    112,267,572.60/168,401,358.90 = 69,185,422.20/x
  3. Step 3: Cross multiply
    112,267,572.60x = 168,401,358.90 × 69,185,422.20
  4. Step 4: Simplify right side
    112,267,572.60x = 11,650,919,114,550,228
  5. Step 5: Solve for x
    x = 11,650,919,114,550,228/112,267,572.60
  6. Step 6: Final answer
    x = 103,778,133.30

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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.