Home / 74,464,358.40-111,696,537.60-20,611,670.40

Finding the Fourth Proportional to 74,464,358.40, 111,696,537.60 and 20,611,670.40

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Solution

The fourth proportional to 74,464,358.40, 111,696,537.60 and 20,611,670.40 is: 30,917,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,464,358.40 : 111,696,537.60 = 20,611,670.40 : x
  2. Step 2: Convert to fraction form
    74,464,358.40/111,696,537.60 = 20,611,670.40/x
  3. Step 3: Cross multiply
    74,464,358.40x = 111,696,537.60 × 20,611,670.40
  4. Step 4: Simplify right side
    74,464,358.40x = 2,302,252,217,832,407
  5. Step 5: Solve for x
    x = 2,302,252,217,832,407/74,464,358.40
  6. Step 6: Final answer
    x = 30,917,505.60

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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.