Home / 99,673,721.60-149,510,582.40-74,164,553.60

Finding the Fourth Proportional to 99,673,721.60, 149,510,582.40 and 74,164,553.60

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Solution

The fourth proportional to 99,673,721.60, 149,510,582.40 and 74,164,553.60 is: 111,246,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,673,721.60 : 149,510,582.40 = 74,164,553.60 : x
  2. Step 2: Convert to fraction form
    99,673,721.60/149,510,582.40 = 74,164,553.60/x
  3. Step 3: Cross multiply
    99,673,721.60x = 149,510,582.40 × 74,164,553.60
  4. Step 4: Simplify right side
    99,673,721.60x = 11,088,385,602,172,016
  5. Step 5: Solve for x
    x = 11,088,385,602,172,016/99,673,721.60
  6. Step 6: Final answer
    x = 111,246,830.40

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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.