Home / 148,247,678.40-221,899,658.40-105,780,350.40

Finding the Fourth Proportional to 148,247,678.40, 221,899,658.40 and 105,780,350.40

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Solution

The fourth proportional to 148,247,678.40, 221,899,658.40 and 105,780,350.40 is: 158,333,836.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,247,678.40 : 221,899,658.40 = 105,780,350.40 : x
  2. Step 2: Convert to fraction form
    148,247,678.40/221,899,658.40 = 105,780,350.40/x
  3. Step 3: Cross multiply
    148,247,678.40x = 221,899,658.40 × 105,780,350.40
  4. Step 4: Simplify right side
    148,247,678.40x = 23,472,623,619,192,304
  5. Step 5: Solve for x
    x = 23,472,623,619,192,304/148,247,678.40
  6. Step 6: Final answer
    x = 158,333,836.14

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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.