Home / 81,163,376.76-112,012,545.83-44,501,033.64

Finding the Fourth Proportional to 81,163,376.76, 112,012,545.83 and 44,501,033.64

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Solution

The fourth proportional to 81,163,376.76, 112,012,545.83 and 44,501,033.64 is: 61,415,311.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,163,376.76 : 112,012,545.83 = 44,501,033.64 : x
  2. Step 2: Convert to fraction form
    81,163,376.76/112,012,545.83 = 44,501,033.64/x
  3. Step 3: Cross multiply
    81,163,376.76x = 112,012,545.83 × 44,501,033.64
  4. Step 4: Simplify right side
    81,163,376.76x = 4,984,674,070,082,872
  5. Step 5: Solve for x
    x = 4,984,674,070,082,872/81,163,376.76
  6. Step 6: Final answer
    x = 61,415,311.55

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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.