Home / 147,632,128.80-221,448,193.20-140,241,818.40

Finding the Fourth Proportional to 147,632,128.80, 221,448,193.20 and 140,241,818.40

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Solution

The fourth proportional to 147,632,128.80, 221,448,193.20 and 140,241,818.40 is: 210,362,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,632,128.80 : 221,448,193.20 = 140,241,818.40 : x
  2. Step 2: Convert to fraction form
    147,632,128.80/221,448,193.20 = 140,241,818.40/x
  3. Step 3: Cross multiply
    147,632,128.80x = 221,448,193.20 × 140,241,818.40
  4. Step 4: Simplify right side
    147,632,128.80x = 31,056,297,295,762,516
  5. Step 5: Solve for x
    x = 31,056,297,295,762,516/147,632,128.80
  6. Step 6: Final answer
    x = 210,362,727.60

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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.