Home / 147,622,902.60-221,434,353.90-139,119,846.60

Finding the Fourth Proportional to 147,622,902.60, 221,434,353.90 and 139,119,846.60

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Solution

The fourth proportional to 147,622,902.60, 221,434,353.90 and 139,119,846.60 is: 208,679,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,622,902.60 : 221,434,353.90 = 139,119,846.60 : x
  2. Step 2: Convert to fraction form
    147,622,902.60/221,434,353.90 = 139,119,846.60/x
  3. Step 3: Cross multiply
    147,622,902.60x = 221,434,353.90 × 139,119,846.60
  4. Step 4: Simplify right side
    147,622,902.60x = 30,805,913,346,538,112
  5. Step 5: Solve for x
    x = 30,805,913,346,538,112/147,622,902.60
  6. Step 6: Final answer
    x = 208,679,769.90

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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.