Home / 109,488,981.23-164,212,541.45-32,812,009.45

Finding the Fourth Proportional to 109,488,981.23, 164,212,541.45 and 32,812,009.45

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Solution

The fourth proportional to 109,488,981.23, 164,212,541.45 and 32,812,009.45 is: 49,211,741.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,488,981.23 : 164,212,541.45 = 32,812,009.45 : x
  2. Step 2: Convert to fraction form
    109,488,981.23/164,212,541.45 = 32,812,009.45/x
  3. Step 3: Cross multiply
    109,488,981.23x = 164,212,541.45 × 32,812,009.45
  4. Step 4: Simplify right side
    109,488,981.23x = 5,388,143,462,030,167
  5. Step 5: Solve for x
    x = 5,388,143,462,030,167/109,488,981.23
  6. Step 6: Final answer
    x = 49,211,741.69

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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.