Home / 77,345,611,120.82-106,736,948,479.49-43,050,581,690.45

Finding the Fourth Proportional to 77,345,611,120.82, 106,736,948,479.49 and 43,050,581,690.45

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Solution

The fourth proportional to 77,345,611,120.82, 106,736,948,479.49 and 43,050,581,690.45 is: 59,409,805,589.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,345,611,120.82 : 106,736,948,479.49 = 43,050,581,690.45 : x
  2. Step 2: Convert to fraction form
    77,345,611,120.82/106,736,948,479.49 = 43,050,581,690.45/x
  3. Step 3: Cross multiply
    77,345,611,120.82x = 106,736,948,479.49 × 43,050,581,690.45
  4. Step 4: Simplify right side
    77,345,611,120.82x = 4,595,087,719,905,637,171,200
  5. Step 5: Solve for x
    x = 4,595,087,719,905,637,171,200/77,345,611,120.82
  6. Step 6: Final answer
    x = 59,409,805,589.72

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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.