Home / 148,684,661.62-205,172,803.57-85,964,783.65

Finding the Fourth Proportional to 148,684,661.62, 205,172,803.57 and 85,964,783.65

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Solution

The fourth proportional to 148,684,661.62, 205,172,803.57 and 85,964,783.65 is: 118,624,446.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,684,661.62 : 205,172,803.57 = 85,964,783.65 : x
  2. Step 2: Convert to fraction form
    148,684,661.62/205,172,803.57 = 85,964,783.65/x
  3. Step 3: Cross multiply
    148,684,661.62x = 205,172,803.57 × 85,964,783.65
  4. Step 4: Simplify right side
    148,684,661.62x = 17,637,635,669,329,174
  5. Step 5: Solve for x
    x = 17,637,635,669,329,174/148,684,661.62
  6. Step 6: Final answer
    x = 118,624,446.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.