Home / 52,066,095.36-78,099,961.68-19,709,310.72

Finding the Fourth Proportional to 52,066,095.36, 78,099,961.68 and 19,709,310.72

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Solution

The fourth proportional to 52,066,095.36, 78,099,961.68 and 19,709,310.72 is: 29,564,275.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,066,095.36 : 78,099,961.68 = 19,709,310.72 : x
  2. Step 2: Convert to fraction form
    52,066,095.36/78,099,961.68 = 19,709,310.72/x
  3. Step 3: Cross multiply
    52,066,095.36x = 78,099,961.68 × 19,709,310.72
  4. Step 4: Simplify right side
    52,066,095.36x = 1,539,296,411,971,213.25
  5. Step 5: Solve for x
    x = 1,539,296,411,971,213.25/52,066,095.36
  6. Step 6: Final answer
    x = 29,564,275.97

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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.