Home / 264,565,216.72-396,822,181.90-80,334,312.25

Finding the Fourth Proportional to 264,565,216.72, 396,822,181.90 and 80,334,312.25

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Solution

The fourth proportional to 264,565,216.72, 396,822,181.90 and 80,334,312.25 is: 120,493,681.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,565,216.72 : 396,822,181.90 = 80,334,312.25 : x
  2. Step 2: Convert to fraction form
    264,565,216.72/396,822,181.90 = 80,334,312.25/x
  3. Step 3: Cross multiply
    264,565,216.72x = 396,822,181.90 × 80,334,312.25
  4. Step 4: Simplify right side
    264,565,216.72x = 31,878,437,068,183,080
  5. Step 5: Solve for x
    x = 31,878,437,068,183,080/264,565,216.72
  6. Step 6: Final answer
    x = 120,493,681.91

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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.