Home / 72,475,113.08-100,019,794.44-41,540,435.48

Finding the Fourth Proportional to 72,475,113.08, 100,019,794.44 and 41,540,435.48

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Solution

The fourth proportional to 72,475,113.08, 100,019,794.44 and 41,540,435.48 is: 57,328,172.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,475,113.08 : 100,019,794.44 = 41,540,435.48 : x
  2. Step 2: Convert to fraction form
    72,475,113.08/100,019,794.44 = 41,540,435.48/x
  3. Step 3: Cross multiply
    72,475,113.08x = 100,019,794.44 × 41,540,435.48
  4. Step 4: Simplify right side
    72,475,113.08x = 4,154,865,817,657,682.50
  5. Step 5: Solve for x
    x = 4,154,865,817,657,682.50/72,475,113.08
  6. Step 6: Final answer
    x = 57,328,172.96

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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.