Home / 119,012,842.47-164,228,709.27-66,791,792.55

Finding the Fourth Proportional to 119,012,842.47, 164,228,709.27 and 66,791,792.55

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Solution

The fourth proportional to 119,012,842.47, 164,228,709.27 and 66,791,792.55 is: 92,167,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,012,842.47 : 164,228,709.27 = 66,791,792.55 : x
  2. Step 2: Convert to fraction form
    119,012,842.47/164,228,709.27 = 66,791,792.55/x
  3. Step 3: Cross multiply
    119,012,842.47x = 164,228,709.27 × 66,791,792.55
  4. Step 4: Simplify right side
    119,012,842.47x = 10,969,129,879,494,960
  5. Step 5: Solve for x
    x = 10,969,129,879,494,960/119,012,842.47
  6. Step 6: Final answer
    x = 92,167,615.30

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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.