Home / 52,080,385.20-78,064,590.60-19,719,783.60

Finding the Fourth Proportional to 52,080,385.20, 78,064,590.60 and 19,719,783.60

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Solution

The fourth proportional to 52,080,385.20, 78,064,590.60 and 19,719,783.60 is: 29,558,476.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,080,385.20 : 78,064,590.60 = 19,719,783.60 : x
  2. Step 2: Convert to fraction form
    52,080,385.20/78,064,590.60 = 19,719,783.60/x
  3. Step 3: Cross multiply
    52,080,385.20x = 78,064,590.60 × 19,719,783.60
  4. Step 4: Simplify right side
    52,080,385.20x = 1,539,416,833,454,594.25
  5. Step 5: Solve for x
    x = 1,539,416,833,454,594.25/52,080,385.20
  6. Step 6: Final answer
    x = 29,558,476.34

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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.