Home / 77,276,664.48-115,918,967.28-19,769,434.56

Finding the Fourth Proportional to 77,276,664.48, 115,918,967.28 and 19,769,434.56

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Solution

The fourth proportional to 77,276,664.48, 115,918,967.28 and 19,769,434.56 is: 29,655,167.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,276,664.48 : 115,918,967.28 = 19,769,434.56 : x
  2. Step 2: Convert to fraction form
    77,276,664.48/115,918,967.28 = 19,769,434.56/x
  3. Step 3: Cross multiply
    77,276,664.48x = 115,918,967.28 × 19,769,434.56
  4. Step 4: Simplify right side
    77,276,664.48x = 2,291,652,437,904,741
  5. Step 5: Solve for x
    x = 2,291,652,437,904,741/77,276,664.48
  6. Step 6: Final answer
    x = 29,655,167.62

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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.