Home / 82,374,869.11-123,569,566.07-30,560,071.99

Finding the Fourth Proportional to 82,374,869.11, 123,569,566.07 and 30,560,071.99

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Solution

The fourth proportional to 82,374,869.11, 123,569,566.07 and 30,560,071.99 is: 45,842,802.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,374,869.11 : 123,569,566.07 = 30,560,071.99 : x
  2. Step 2: Convert to fraction form
    82,374,869.11/123,569,566.07 = 30,560,071.99/x
  3. Step 3: Cross multiply
    82,374,869.11x = 123,569,566.07 × 30,560,071.99
  4. Step 4: Simplify right side
    82,374,869.11x = 3,776,294,834,719,460.50
  5. Step 5: Solve for x
    x = 3,776,294,834,719,460.50/82,374,869.11
  6. Step 6: Final answer
    x = 45,842,802.25

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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.