Home / 47,478,689.51-71,299,535.83-29,142,307.63

Finding the Fourth Proportional to 47,478,689.51, 71,299,535.83 and 29,142,307.63

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Solution

The fourth proportional to 47,478,689.51, 71,299,535.83 and 29,142,307.63 is: 43,763,486.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,478,689.51 : 71,299,535.83 = 29,142,307.63 : x
  2. Step 2: Convert to fraction form
    47,478,689.51/71,299,535.83 = 29,142,307.63/x
  3. Step 3: Cross multiply
    47,478,689.51x = 71,299,535.83 × 29,142,307.63
  4. Step 4: Simplify right side
    47,478,689.51x = 2,077,833,007,034,067.25
  5. Step 5: Solve for x
    x = 2,077,833,007,034,067.25/47,478,689.51
  6. Step 6: Final answer
    x = 43,763,486.91

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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.