Home / 49,175,442.51-67,892,736.86-31,303,746.76

Finding the Fourth Proportional to 49,175,442.51, 67,892,736.86 and 31,303,746.76

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Solution

The fourth proportional to 49,175,442.51, 67,892,736.86 and 31,303,746.76 is: 43,218,666.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,175,442.51 : 67,892,736.86 = 31,303,746.76 : x
  2. Step 2: Convert to fraction form
    49,175,442.51/67,892,736.86 = 31,303,746.76/x
  3. Step 3: Cross multiply
    49,175,442.51x = 67,892,736.86 × 31,303,746.76
  4. Step 4: Simplify right side
    49,175,442.51x = 2,125,297,041,515,252.25
  5. Step 5: Solve for x
    x = 2,125,297,041,515,252.25/49,175,442.51
  6. Step 6: Final answer
    x = 43,218,666.33

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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.