Home / 109,155,528.81-150,702,611.27-69,485,442.89

Finding the Fourth Proportional to 109,155,528.81, 150,702,611.27 and 69,485,442.89

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Solution

The fourth proportional to 109,155,528.81, 150,702,611.27 and 69,485,442.89 is: 95,933,186.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,155,528.81 : 150,702,611.27 = 69,485,442.89 : x
  2. Step 2: Convert to fraction form
    109,155,528.81/150,702,611.27 = 69,485,442.89/x
  3. Step 3: Cross multiply
    109,155,528.81x = 150,702,611.27 × 69,485,442.89
  4. Step 4: Simplify right side
    109,155,528.81x = 10,471,637,687,674,514
  5. Step 5: Solve for x
    x = 10,471,637,687,674,514/109,155,528.81
  6. Step 6: Final answer
    x = 95,933,186.36

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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.