Home / 81,077,017.66-121,636,265.15-23,569,288.83

Finding the Fourth Proportional to 81,077,017.66, 121,636,265.15 and 23,569,288.83

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Solution

The fourth proportional to 81,077,017.66, 121,636,265.15 and 23,569,288.83 is: 35,359,962.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,077,017.66 : 121,636,265.15 = 23,569,288.83 : x
  2. Step 2: Convert to fraction form
    81,077,017.66/121,636,265.15 = 23,569,288.83/x
  3. Step 3: Cross multiply
    81,077,017.66x = 121,636,265.15 × 23,569,288.83
  4. Step 4: Simplify right side
    81,077,017.66x = 2,866,880,265,581,736.50
  5. Step 5: Solve for x
    x = 2,866,880,265,581,736.50/81,077,017.66
  6. Step 6: Final answer
    x = 35,359,962.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.