Home / 133,545,769.20-200,318,653.80-120,366,032.40

Finding the Fourth Proportional to 133,545,769.20, 200,318,653.80 and 120,366,032.40

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Solution

The fourth proportional to 133,545,769.20, 200,318,653.80 and 120,366,032.40 is: 180,549,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,545,769.20 : 200,318,653.80 = 120,366,032.40 : x
  2. Step 2: Convert to fraction form
    133,545,769.20/200,318,653.80 = 120,366,032.40/x
  3. Step 3: Cross multiply
    133,545,769.20x = 200,318,653.80 × 120,366,032.40
  4. Step 4: Simplify right side
    133,545,769.20x = 24,111,561,573,615,184
  5. Step 5: Solve for x
    x = 24,111,561,573,615,184/133,545,769.20
  6. Step 6: Final answer
    x = 180,549,048.60

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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.