Home / 78,064,586.64-107,693,801.64-47,114,862.48

Finding the Fourth Proportional to 78,064,586.64, 107,693,801.64 and 47,114,862.48

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Solution

The fourth proportional to 78,064,586.64, 107,693,801.64 and 47,114,862.48 is: 64,997,188.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,064,586.64 : 107,693,801.64 = 47,114,862.48 : x
  2. Step 2: Convert to fraction form
    78,064,586.64/107,693,801.64 = 47,114,862.48/x
  3. Step 3: Cross multiply
    78,064,586.64x = 107,693,801.64 × 47,114,862.48
  4. Step 4: Simplify right side
    78,064,586.64x = 5,073,978,654,216,998
  5. Step 5: Solve for x
    x = 5,073,978,654,216,998/78,064,586.64
  6. Step 6: Final answer
    x = 64,997,188.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.