Home / 101,994,149.25-140,774,643.68-64,817,180.42

Finding the Fourth Proportional to 101,994,149.25, 140,774,643.68 and 64,817,180.42

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Solution

The fourth proportional to 101,994,149.25, 140,774,643.68 and 64,817,180.42 is: 89,462,146.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,994,149.25 : 140,774,643.68 = 64,817,180.42 : x
  2. Step 2: Convert to fraction form
    101,994,149.25/140,774,643.68 = 64,817,180.42/x
  3. Step 3: Cross multiply
    101,994,149.25x = 140,774,643.68 × 64,817,180.42
  4. Step 4: Simplify right side
    101,994,149.25x = 9,124,615,476,939,814
  5. Step 5: Solve for x
    x = 9,124,615,476,939,814/101,994,149.25
  6. Step 6: Final answer
    x = 89,462,146.05

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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.