Home / 69,771,145.64-104,648,746.26-18,657,150.44

Finding the Fourth Proportional to 69,771,145.64, 104,648,746.26 and 18,657,150.44

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Solution

The fourth proportional to 69,771,145.64, 104,648,746.26 and 18,657,150.44 is: 27,983,593.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,771,145.64 : 104,648,746.26 = 18,657,150.44 : x
  2. Step 2: Convert to fraction form
    69,771,145.64/104,648,746.26 = 18,657,150.44/x
  3. Step 3: Cross multiply
    69,771,145.64x = 104,648,746.26 × 18,657,150.44
  4. Step 4: Simplify right side
    69,771,145.64x = 1,952,447,402,330,207.50
  5. Step 5: Solve for x
    x = 1,952,447,402,330,207.50/69,771,145.64
  6. Step 6: Final answer
    x = 27,983,593.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.