Home / 148,305,019.20-222,457,528.80-142,258,401.60

Finding the Fourth Proportional to 148,305,019.20, 222,457,528.80 and 142,258,401.60

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Solution

The fourth proportional to 148,305,019.20, 222,457,528.80 and 142,258,401.60 is: 213,387,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,305,019.20 : 222,457,528.80 = 142,258,401.60 : x
  2. Step 2: Convert to fraction form
    148,305,019.20/222,457,528.80 = 142,258,401.60/x
  3. Step 3: Cross multiply
    148,305,019.20x = 222,457,528.80 × 142,258,401.60
  4. Step 4: Simplify right side
    148,305,019.20x = 31,646,452,470,973,968
  5. Step 5: Solve for x
    x = 31,646,452,470,973,968/148,305,019.20
  6. Step 6: Final answer
    x = 213,387,602.40

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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.