Home / 70,460,125.70-105,705,391.84-21,271,898.03

Finding the Fourth Proportional to 70,460,125.70, 105,705,391.84 and 21,271,898.03

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Solution

The fourth proportional to 70,460,125.70, 105,705,391.84 and 21,271,898.03 is: 31,912,436.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,460,125.70 : 105,705,391.84 = 21,271,898.03 : x
  2. Step 2: Convert to fraction form
    70,460,125.70/105,705,391.84 = 21,271,898.03/x
  3. Step 3: Cross multiply
    70,460,125.70x = 105,705,391.84 × 21,271,898.03
  4. Step 4: Simplify right side
    70,460,125.70x = 2,248,554,315,859,967.25
  5. Step 5: Solve for x
    x = 2,248,554,315,859,967.25/70,460,125.70
  6. Step 6: Final answer
    x = 31,912,436.91

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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.