Home / 70,102,721.01-105,060,085.66-54,559,317.36

Finding the Fourth Proportional to 70,102,721.01, 105,060,085.66 and 54,559,317.36

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Solution

The fourth proportional to 70,102,721.01, 105,060,085.66 and 54,559,317.36 is: 81,765,821.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,102,721.01 : 105,060,085.66 = 54,559,317.36 : x
  2. Step 2: Convert to fraction form
    70,102,721.01/105,060,085.66 = 54,559,317.36/x
  3. Step 3: Cross multiply
    70,102,721.01x = 105,060,085.66 × 54,559,317.36
  4. Step 4: Simplify right side
    70,102,721.01x = 5,732,006,555,392,725
  5. Step 5: Solve for x
    x = 5,732,006,555,392,725/70,102,721.01
  6. Step 6: Final answer
    x = 81,765,821.25

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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.