Home / 71,573,840.90-107,522,376.16-42,446,784.48

Finding the Fourth Proportional to 71,573,840.90, 107,522,376.16 and 42,446,784.48

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Solution

The fourth proportional to 71,573,840.90, 107,522,376.16 and 42,446,784.48 is: 63,766,022.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,573,840.90 : 107,522,376.16 = 42,446,784.48 : x
  2. Step 2: Convert to fraction form
    71,573,840.90/107,522,376.16 = 42,446,784.48/x
  3. Step 3: Cross multiply
    71,573,840.90x = 107,522,376.16 × 42,446,784.48
  4. Step 4: Simplify right side
    71,573,840.90x = 4,563,979,127,641,009
  5. Step 5: Solve for x
    x = 4,563,979,127,641,009/71,573,840.90
  6. Step 6: Final answer
    x = 63,766,022.20

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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.