Home / 61,238,155.50-91,825,340.31-28,881,369.81

Finding the Fourth Proportional to 61,238,155.50, 91,825,340.31 and 28,881,369.81

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Solution

The fourth proportional to 61,238,155.50, 91,825,340.31 and 28,881,369.81 is: 43,307,013.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,238,155.50 : 91,825,340.31 = 28,881,369.81 : x
  2. Step 2: Convert to fraction form
    61,238,155.50/91,825,340.31 = 28,881,369.81/x
  3. Step 3: Cross multiply
    61,238,155.50x = 91,825,340.31 × 28,881,369.81
  4. Step 4: Simplify right side
    61,238,155.50x = 2,652,041,611,422,210
  5. Step 5: Solve for x
    x = 2,652,041,611,422,210/61,238,155.50
  6. Step 6: Final answer
    x = 43,307,013.25

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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.