Home / 154,426,751.70-231,639,941.64-39,411,306.36

Finding the Fourth Proportional to 154,426,751.70, 231,639,941.64 and 39,411,306.36

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Solution

The fourth proportional to 154,426,751.70, 231,639,941.64 and 39,411,306.36 is: 59,116,912.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,426,751.70 : 231,639,941.64 = 39,411,306.36 : x
  2. Step 2: Convert to fraction form
    154,426,751.70/231,639,941.64 = 39,411,306.36/x
  3. Step 3: Cross multiply
    154,426,751.70x = 231,639,941.64 × 39,411,306.36
  4. Step 4: Simplify right side
    154,426,751.70x = 9,129,232,705,186,560
  5. Step 5: Solve for x
    x = 9,129,232,705,186,560/154,426,751.70
  6. Step 6: Final answer
    x = 59,116,912.09

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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.