Home / 57,011,880.30-85,517,820.45-49,837,426.80

Finding the Fourth Proportional to 57,011,880.30, 85,517,820.45 and 49,837,426.80

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Solution

The fourth proportional to 57,011,880.30, 85,517,820.45 and 49,837,426.80 is: 74,756,140.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,011,880.30 : 85,517,820.45 = 49,837,426.80 : x
  2. Step 2: Convert to fraction form
    57,011,880.30/85,517,820.45 = 49,837,426.80/x
  3. Step 3: Cross multiply
    57,011,880.30x = 85,517,820.45 × 49,837,426.80
  4. Step 4: Simplify right side
    57,011,880.30x = 4,261,988,116,772,418
  5. Step 5: Solve for x
    x = 4,261,988,116,772,418/57,011,880.30
  6. Step 6: Final answer
    x = 74,756,140.20

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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.