Home / 119,642,173.55-165,106,919.26-66,722,222.18

Finding the Fourth Proportional to 119,642,173.55, 165,106,919.26 and 66,722,222.18

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Solution

The fourth proportional to 119,642,173.55, 165,106,919.26 and 66,722,222.18 is: 92,077,068.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,642,173.55 : 165,106,919.26 = 66,722,222.18 : x
  2. Step 2: Convert to fraction form
    119,642,173.55/165,106,919.26 = 66,722,222.18/x
  3. Step 3: Cross multiply
    119,642,173.55x = 165,106,919.26 × 66,722,222.18
  4. Step 4: Simplify right side
    119,642,173.55x = 11,016,300,550,817,210
  5. Step 5: Solve for x
    x = 11,016,300,550,817,210/119,642,173.55
  6. Step 6: Final answer
    x = 92,077,068.01

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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.