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Finding the Fourth Proportional to 100,477,398.30, 150,716,097.45 and 49,459,062.30

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Solution

The fourth proportional to 100,477,398.30, 150,716,097.45 and 49,459,062.30 is: 74,188,593.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,477,398.30 : 150,716,097.45 = 49,459,062.30 : x
  2. Step 2: Convert to fraction form
    100,477,398.30/150,716,097.45 = 49,459,062.30/x
  3. Step 3: Cross multiply
    100,477,398.30x = 150,716,097.45 × 49,459,062.30
  4. Step 4: Simplify right side
    100,477,398.30x = 7,454,276,853,392,420
  5. Step 5: Solve for x
    x = 7,454,276,853,392,420/100,477,398.30
  6. Step 6: Final answer
    x = 74,188,593.45

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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.