Home / 156,119,317.33-215,444,911.17-85,543,712.67

Finding the Fourth Proportional to 156,119,317.33, 215,444,911.17 and 85,543,712.67

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Solution

The fourth proportional to 156,119,317.33, 215,444,911.17 and 85,543,712.67 is: 118,050,462.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,119,317.33 : 215,444,911.17 = 85,543,712.67 : x
  2. Step 2: Convert to fraction form
    156,119,317.33/215,444,911.17 = 85,543,712.67/x
  3. Step 3: Cross multiply
    156,119,317.33x = 215,444,911.17 × 85,543,712.67
  4. Step 4: Simplify right side
    156,119,317.33x = 18,429,957,577,340,152
  5. Step 5: Solve for x
    x = 18,429,957,577,340,152/156,119,317.33
  6. Step 6: Final answer
    x = 118,050,462.25

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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.