Home / 42,768,033.70-64,152,050.55-38,438,356.90

Finding the Fourth Proportional to 42,768,033.70, 64,152,050.55 and 38,438,356.90

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Solution

The fourth proportional to 42,768,033.70, 64,152,050.55 and 38,438,356.90 is: 57,657,535.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,033.70 : 64,152,050.55 = 38,438,356.90 : x
  2. Step 2: Convert to fraction form
    42,768,033.70/64,152,050.55 = 38,438,356.90/x
  3. Step 3: Cross multiply
    42,768,033.70x = 64,152,050.55 × 38,438,356.90
  4. Step 4: Simplify right side
    42,768,033.70x = 2,465,899,414,907,741
  5. Step 5: Solve for x
    x = 2,465,899,414,907,741/42,768,033.70
  6. Step 6: Final answer
    x = 57,657,535.35

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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.