Home / 55,398,810.94-76,454,317.50-30,618,464.74

Finding the Fourth Proportional to 55,398,810.94, 76,454,317.50 and 30,618,464.74

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Solution

The fourth proportional to 55,398,810.94, 76,454,317.50 and 30,618,464.74 is: 42,255,669.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,398,810.94 : 76,454,317.50 = 30,618,464.74 : x
  2. Step 2: Convert to fraction form
    55,398,810.94/76,454,317.50 = 30,618,464.74/x
  3. Step 3: Cross multiply
    55,398,810.94x = 76,454,317.50 × 30,618,464.74
  4. Step 4: Simplify right side
    55,398,810.94x = 2,340,913,824,594,515
  5. Step 5: Solve for x
    x = 2,340,913,824,594,515/55,398,810.94
  6. Step 6: Final answer
    x = 42,255,669.12

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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.