Home / 74,415,454.43-111,622,931.55-19,083,228.12

Finding the Fourth Proportional to 74,415,454.43, 111,622,931.55 and 19,083,228.12

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Solution

The fourth proportional to 74,415,454.43, 111,622,931.55 and 19,083,228.12 is: 28,624,778.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,415,454.43 : 111,622,931.55 = 19,083,228.12 : x
  2. Step 2: Convert to fraction form
    74,415,454.43/111,622,931.55 = 19,083,228.12/x
  3. Step 3: Cross multiply
    74,415,454.43x = 111,622,931.55 × 19,083,228.12
  4. Step 4: Simplify right side
    74,415,454.43x = 2,130,125,866,191,795.25
  5. Step 5: Solve for x
    x = 2,130,125,866,191,795.25/74,415,454.43
  6. Step 6: Final answer
    x = 28,624,778.05

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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.