Home / 74,134,890.40-111,202,335.60-40,122,666.40

Finding the Fourth Proportional to 74,134,890.40, 111,202,335.60 and 40,122,666.40

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Solution

The fourth proportional to 74,134,890.40, 111,202,335.60 and 40,122,666.40 is: 60,183,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,134,890.40 : 111,202,335.60 = 40,122,666.40 : x
  2. Step 2: Convert to fraction form
    74,134,890.40/111,202,335.60 = 40,122,666.40/x
  3. Step 3: Cross multiply
    74,134,890.40x = 111,202,335.60 × 40,122,666.40
  4. Step 4: Simplify right side
    74,134,890.40x = 4,461,734,214,179,643.50
  5. Step 5: Solve for x
    x = 4,461,734,214,179,643.50/74,134,890.40
  6. Step 6: Final answer
    x = 60,183,999.60

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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.