Home / 103,972,051.23-143,480,904.44-56,928,269.96

Finding the Fourth Proportional to 103,972,051.23, 143,480,904.44 and 56,928,269.96

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Solution

The fourth proportional to 103,972,051.23, 143,480,904.44 and 56,928,269.96 is: 78,560,724.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,972,051.23 : 143,480,904.44 = 56,928,269.96 : x
  2. Step 2: Convert to fraction form
    103,972,051.23/143,480,904.44 = 56,928,269.96/x
  3. Step 3: Cross multiply
    103,972,051.23x = 143,480,904.44 × 56,928,269.96
  4. Step 4: Simplify right side
    103,972,051.23x = 8,168,119,661,063,237
  5. Step 5: Solve for x
    x = 8,168,119,661,063,237/103,972,051.23
  6. Step 6: Final answer
    x = 78,560,724.39

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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.