Home / 190,728,114.30-286,092,171.45-47,120,946.30

Finding the Fourth Proportional to 190,728,114.30, 286,092,171.45 and 47,120,946.30

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Solution

The fourth proportional to 190,728,114.30, 286,092,171.45 and 47,120,946.30 is: 70,681,419.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,728,114.30 : 286,092,171.45 = 47,120,946.30 : x
  2. Step 2: Convert to fraction form
    190,728,114.30/286,092,171.45 = 47,120,946.30/x
  3. Step 3: Cross multiply
    190,728,114.30x = 286,092,171.45 × 47,120,946.30
  4. Step 4: Simplify right side
    190,728,114.30x = 13,480,933,847,745,842
  5. Step 5: Solve for x
    x = 13,480,933,847,745,842/190,728,114.30
  6. Step 6: Final answer
    x = 70,681,419.45

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Double scale
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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.