Home / 147,230,655.30-203,166,357.27-85,354,979.67

Finding the Fourth Proportional to 147,230,655.30, 203,166,357.27 and 85,354,979.67

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Solution

The fourth proportional to 147,230,655.30, 203,166,357.27 and 85,354,979.67 is: 117,782,945.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,230,655.30 : 203,166,357.27 = 85,354,979.67 : x
  2. Step 2: Convert to fraction form
    147,230,655.30/203,166,357.27 = 85,354,979.67/x
  3. Step 3: Cross multiply
    147,230,655.30x = 203,166,357.27 × 85,354,979.67
  4. Step 4: Simplify right side
    147,230,655.30x = 17,341,260,294,408,808
  5. Step 5: Solve for x
    x = 17,341,260,294,408,808/147,230,655.30
  6. Step 6: Final answer
    x = 117,782,945.81

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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.