Home / 103,305,261.32-142,567,708.26-56,895,503.56

Finding the Fourth Proportional to 103,305,261.32, 142,567,708.26 and 56,895,503.56

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Solution

The fourth proportional to 103,305,261.32, 142,567,708.26 and 56,895,503.56 is: 78,519,345.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,305,261.32 : 142,567,708.26 = 56,895,503.56 : x
  2. Step 2: Convert to fraction form
    103,305,261.32/142,567,708.26 = 56,895,503.56/x
  3. Step 3: Cross multiply
    103,305,261.32x = 142,567,708.26 × 56,895,503.56
  4. Step 4: Simplify right side
    103,305,261.32x = 8,111,461,552,847,871
  5. Step 5: Solve for x
    x = 8,111,461,552,847,871/103,305,261.32
  6. Step 6: Final answer
    x = 78,519,345.96

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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.