Home / 77,970,317.10-107,600,305.95-42,687,529.26

Finding the Fourth Proportional to 77,970,317.10, 107,600,305.95 and 42,687,529.26

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Solution

The fourth proportional to 77,970,317.10, 107,600,305.95 and 42,687,529.26 is: 58,909,484.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,970,317.10 : 107,600,305.95 = 42,687,529.26 : x
  2. Step 2: Convert to fraction form
    77,970,317.10/107,600,305.95 = 42,687,529.26/x
  3. Step 3: Cross multiply
    77,970,317.10x = 107,600,305.95 × 42,687,529.26
  4. Step 4: Simplify right side
    77,970,317.10x = 4,593,191,208,625,577
  5. Step 5: Solve for x
    x = 4,593,191,208,625,577/77,970,317.10
  6. Step 6: Final answer
    x = 58,909,484.78

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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.