Home / 70,102,780.19-105,060,174.50-54,559,376.51

Finding the Fourth Proportional to 70,102,780.19, 105,060,174.50 and 54,559,376.51

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Solution

The fourth proportional to 70,102,780.19, 105,060,174.50 and 54,559,376.51 is: 81,765,910.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,102,780.19 : 105,060,174.50 = 54,559,376.51 : x
  2. Step 2: Convert to fraction form
    70,102,780.19/105,060,174.50 = 54,559,376.51/x
  3. Step 3: Cross multiply
    70,102,780.19x = 105,060,174.50 × 54,559,376.51
  4. Step 4: Simplify right side
    70,102,780.19x = 5,732,017,616,751,801
  5. Step 5: Solve for x
    x = 5,732,017,616,751,801/70,102,780.19
  6. Step 6: Final answer
    x = 81,765,910.02

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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.