Home / 90,716,666.40-136,074,999.60-33,189,818.40

Finding the Fourth Proportional to 90,716,666.40, 136,074,999.60 and 33,189,818.40

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Solution

The fourth proportional to 90,716,666.40, 136,074,999.60 and 33,189,818.40 is: 49,784,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,716,666.40 : 136,074,999.60 = 33,189,818.40 : x
  2. Step 2: Convert to fraction form
    90,716,666.40/136,074,999.60 = 33,189,818.40/x
  3. Step 3: Cross multiply
    90,716,666.40x = 136,074,999.60 × 33,189,818.40
  4. Step 4: Simplify right side
    90,716,666.40x = 4,516,304,525,504,072
  5. Step 5: Solve for x
    x = 4,516,304,525,504,072/90,716,666.40
  6. Step 6: Final answer
    x = 49,784,727.60

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Similar ratio
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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.