Home / 101,994,150.47-140,774,645.40-64,817,181.65

Finding the Fourth Proportional to 101,994,150.47, 140,774,645.40 and 64,817,181.65

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Solution

The fourth proportional to 101,994,150.47, 140,774,645.40 and 64,817,181.65 is: 89,462,147.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,994,150.47 : 140,774,645.40 = 64,817,181.65 : x
  2. Step 2: Convert to fraction form
    101,994,150.47/140,774,645.40 = 64,817,181.65/x
  3. Step 3: Cross multiply
    101,994,150.47x = 140,774,645.40 × 64,817,181.65
  4. Step 4: Simplify right side
    101,994,150.47x = 9,124,615,762,606,138
  5. Step 5: Solve for x
    x = 9,124,615,762,606,138/101,994,150.47
  6. Step 6: Final answer
    x = 89,462,147.79

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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.