Home / 103,415,813.03-142,713,755.01-56,372,976.47

Finding the Fourth Proportional to 103,415,813.03, 142,713,755.01 and 56,372,976.47

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Solution

The fourth proportional to 103,415,813.03, 142,713,755.01 and 56,372,976.47 is: 77,794,671.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,415,813.03 : 142,713,755.01 = 56,372,976.47 : x
  2. Step 2: Convert to fraction form
    103,415,813.03/142,713,755.01 = 56,372,976.47/x
  3. Step 3: Cross multiply
    103,415,813.03x = 142,713,755.01 × 56,372,976.47
  4. Step 4: Simplify right side
    103,415,813.03x = 8,045,199,153,480,858
  5. Step 5: Solve for x
    x = 8,045,199,153,480,858/103,415,813.03
  6. Step 6: Final answer
    x = 77,794,671.02

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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.