Home / 85,846,309,257.93-128,788,669,291.20-26,159,642,846.71

Finding the Fourth Proportional to 85,846,309,257.93, 128,788,669,291.20 and 26,159,642,846.71

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Solution

The fourth proportional to 85,846,309,257.93, 128,788,669,291.20 and 26,159,642,846.71 is: 39,245,316,665.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,846,309,257.93 : 128,788,669,291.20 = 26,159,642,846.71 : x
  2. Step 2: Convert to fraction form
    85,846,309,257.93/128,788,669,291.20 = 26,159,642,846.71/x
  3. Step 3: Cross multiply
    85,846,309,257.93x = 128,788,669,291.20 × 26,159,642,846.71
  4. Step 4: Simplify right side
    85,846,309,257.93x = 3,369,065,591,360,839,483,392
  5. Step 5: Solve for x
    x = 3,369,065,591,360,839,483,392/85,846,309,257.93
  6. Step 6: Final answer
    x = 39,245,316,665.14

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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.