Home / 153,807,200.80-230,710,801.20-142,128,685.60

Finding the Fourth Proportional to 153,807,200.80, 230,710,801.20 and 142,128,685.60

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Solution

The fourth proportional to 153,807,200.80, 230,710,801.20 and 142,128,685.60 is: 213,193,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,807,200.80 : 230,710,801.20 = 142,128,685.60 : x
  2. Step 2: Convert to fraction form
    153,807,200.80/230,710,801.20 = 142,128,685.60/x
  3. Step 3: Cross multiply
    153,807,200.80x = 230,710,801.20 × 142,128,685.60
  4. Step 4: Simplify right side
    153,807,200.80x = 32,790,622,928,278,900
  5. Step 5: Solve for x
    x = 32,790,622,928,278,900/153,807,200.80
  6. Step 6: Final answer
    x = 213,193,028.40

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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.