Home / 55,707,495.92-76,881,868.44-31,261,307.12

Finding the Fourth Proportional to 55,707,495.92, 76,881,868.44 and 31,261,307.12

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Solution

The fourth proportional to 55,707,495.92, 76,881,868.44 and 31,261,307.12 is: 43,143,703.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,707,495.92 : 76,881,868.44 = 31,261,307.12 : x
  2. Step 2: Convert to fraction form
    55,707,495.92/76,881,868.44 = 31,261,307.12/x
  3. Step 3: Cross multiply
    55,707,495.92x = 76,881,868.44 × 31,261,307.12
  4. Step 4: Simplify right side
    55,707,495.92x = 2,403,427,701,262,275.50
  5. Step 5: Solve for x
    x = 2,403,427,701,262,275.50/55,707,495.92
  6. Step 6: Final answer
    x = 43,143,703.76

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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.