Home / 147,230,670.80-203,166,378.66-85,354,995.14

Finding the Fourth Proportional to 147,230,670.80, 203,166,378.66 and 85,354,995.14

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Solution

The fourth proportional to 147,230,670.80, 203,166,378.66 and 85,354,995.14 is: 117,782,967.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,230,670.80 : 203,166,378.66 = 85,354,995.14 : x
  2. Step 2: Convert to fraction form
    147,230,670.80/203,166,378.66 = 85,354,995.14/x
  3. Step 3: Cross multiply
    147,230,670.80x = 203,166,378.66 × 85,354,995.14
  4. Step 4: Simplify right side
    147,230,670.80x = 17,341,265,263,135,700
  5. Step 5: Solve for x
    x = 17,341,265,263,135,700/147,230,670.80
  6. Step 6: Final answer
    x = 117,782,967.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.