Home / 86,872,697.74-119,886,664.07-51,111,634.84

Finding the Fourth Proportional to 86,872,697.74, 119,886,664.07 and 51,111,634.84

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Solution

The fourth proportional to 86,872,697.74, 119,886,664.07 and 51,111,634.84 is: 70,535,433.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,872,697.74 : 119,886,664.07 = 51,111,634.84 : x
  2. Step 2: Convert to fraction form
    86,872,697.74/119,886,664.07 = 51,111,634.84/x
  3. Step 3: Cross multiply
    86,872,697.74x = 119,886,664.07 × 51,111,634.84
  4. Step 4: Simplify right side
    86,872,697.74x = 6,127,603,395,959,651
  5. Step 5: Solve for x
    x = 6,127,603,395,959,651/86,872,697.74
  6. Step 6: Final answer
    x = 70,535,433.52

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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.