Home / 103,626,864.86-142,945,124.39-66,957,435.86

Finding the Fourth Proportional to 103,626,864.86, 142,945,124.39 and 66,957,435.86

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Solution

The fourth proportional to 103,626,864.86, 142,945,124.39 and 66,957,435.86 is: 92,362,525.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,626,864.86 : 142,945,124.39 = 66,957,435.86 : x
  2. Step 2: Convert to fraction form
    103,626,864.86/142,945,124.39 = 66,957,435.86/x
  3. Step 3: Cross multiply
    103,626,864.86x = 142,945,124.39 × 66,957,435.86
  4. Step 4: Simplify right side
    103,626,864.86x = 9,571,238,997,843,146
  5. Step 5: Solve for x
    x = 9,571,238,997,843,146/103,626,864.86
  6. Step 6: Final answer
    x = 92,362,525.98

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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.