Home / 90,013,322.89-124,238,368.95-54,723,629.39

Finding the Fourth Proportional to 90,013,322.89, 124,238,368.95 and 54,723,629.39

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Solution

The fourth proportional to 90,013,322.89, 124,238,368.95 and 54,723,629.39 is: 75,530,757.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,013,322.89 : 124,238,368.95 = 54,723,629.39 : x
  2. Step 2: Convert to fraction form
    90,013,322.89/124,238,368.95 = 54,723,629.39/x
  3. Step 3: Cross multiply
    90,013,322.89x = 124,238,368.95 × 54,723,629.39
  4. Step 4: Simplify right side
    90,013,322.89x = 6,798,774,458,437,884
  5. Step 5: Solve for x
    x = 6,798,774,458,437,884/90,013,322.89
  6. Step 6: Final answer
    x = 75,530,757.45

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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.