Home / 147,072,395.40-220,608,593.10-97,754,670.60

Finding the Fourth Proportional to 147,072,395.40, 220,608,593.10 and 97,754,670.60

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Solution

The fourth proportional to 147,072,395.40, 220,608,593.10 and 97,754,670.60 is: 146,632,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,072,395.40 : 220,608,593.10 = 97,754,670.60 : x
  2. Step 2: Convert to fraction form
    147,072,395.40/220,608,593.10 = 97,754,670.60/x
  3. Step 3: Cross multiply
    147,072,395.40x = 220,608,593.10 × 97,754,670.60
  4. Step 4: Simplify right side
    147,072,395.40x = 21,565,520,350,019,932
  5. Step 5: Solve for x
    x = 21,565,520,350,019,932/147,072,395.40
  6. Step 6: Final answer
    x = 146,632,005.90

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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.