Home / 156,047,003.08-215,344,860.32-86,436,868.01

Finding the Fourth Proportional to 156,047,003.08, 215,344,860.32 and 86,436,868.01

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Solution

The fourth proportional to 156,047,003.08, 215,344,860.32 and 86,436,868.01 is: 119,282,875.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,047,003.08 : 215,344,860.32 = 86,436,868.01 : x
  2. Step 2: Convert to fraction form
    156,047,003.08/215,344,860.32 = 86,436,868.01/x
  3. Step 3: Cross multiply
    156,047,003.08x = 215,344,860.32 × 86,436,868.01
  4. Step 4: Simplify right side
    156,047,003.08x = 18,613,735,267,251,092
  5. Step 5: Solve for x
    x = 18,613,735,267,251,092/156,047,003.08
  6. Step 6: Final answer
    x = 119,282,875.67

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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.