Home / 101,153,152.30-151,729,728.45-75,643,984.30

Finding the Fourth Proportional to 101,153,152.30, 151,729,728.45 and 75,643,984.30

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Solution

The fourth proportional to 101,153,152.30, 151,729,728.45 and 75,643,984.30 is: 113,465,976.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,153,152.30 : 151,729,728.45 = 75,643,984.30 : x
  2. Step 2: Convert to fraction form
    101,153,152.30/151,729,728.45 = 75,643,984.30/x
  3. Step 3: Cross multiply
    101,153,152.30x = 151,729,728.45 × 75,643,984.30
  4. Step 4: Simplify right side
    101,153,152.30x = 11,477,441,196,715,062
  5. Step 5: Solve for x
    x = 11,477,441,196,715,062/101,153,152.30
  6. Step 6: Final answer
    x = 113,465,976.45

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Double scale
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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.