Home / 61,643,578.45-85,067,095.74-34,140,916.21

Finding the Fourth Proportional to 61,643,578.45, 85,067,095.74 and 34,140,916.21

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Solution

The fourth proportional to 61,643,578.45, 85,067,095.74 and 34,140,916.21 is: 47,113,886.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,643,578.45 : 85,067,095.74 = 34,140,916.21 : x
  2. Step 2: Convert to fraction form
    61,643,578.45/85,067,095.74 = 34,140,916.21/x
  3. Step 3: Cross multiply
    61,643,578.45x = 85,067,095.74 × 34,140,916.21
  4. Step 4: Simplify right side
    61,643,578.45x = 2,904,268,587,887,388
  5. Step 5: Solve for x
    x = 2,904,268,587,887,388/61,643,578.45
  6. Step 6: Final answer
    x = 47,113,886.98

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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.