Home / 101,066,155.40-151,599,233.10-90,484,574.60

Finding the Fourth Proportional to 101,066,155.40, 151,599,233.10 and 90,484,574.60

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Solution

The fourth proportional to 101,066,155.40, 151,599,233.10 and 90,484,574.60 is: 135,726,861.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,066,155.40 : 151,599,233.10 = 90,484,574.60 : x
  2. Step 2: Convert to fraction form
    101,066,155.40/151,599,233.10 = 90,484,574.60/x
  3. Step 3: Cross multiply
    101,066,155.40x = 151,599,233.10 × 90,484,574.60
  4. Step 4: Simplify right side
    101,066,155.40x = 13,717,392,116,739,738
  5. Step 5: Solve for x
    x = 13,717,392,116,739,738/101,066,155.40
  6. Step 6: Final answer
    x = 135,726,861.90

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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.