Home / 103,464,017.21-142,783,790.61-56,423,657.27

Finding the Fourth Proportional to 103,464,017.21, 142,783,790.61 and 56,423,657.27

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Solution

The fourth proportional to 103,464,017.21, 142,783,790.61 and 56,423,657.27 is: 77,866,526.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,464,017.21 : 142,783,790.61 = 56,423,657.27 : x
  2. Step 2: Convert to fraction form
    103,464,017.21/142,783,790.61 = 56,423,657.27/x
  3. Step 3: Cross multiply
    103,464,017.21x = 142,783,790.61 × 56,423,657.27
  4. Step 4: Simplify right side
    103,464,017.21x = 8,056,383,665,090,086
  5. Step 5: Solve for x
    x = 8,056,383,665,090,086/103,464,017.21
  6. Step 6: Final answer
    x = 77,866,526.76

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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.