Home / 105,463,200.87-145,540,381.19-58,420,994.90

Finding the Fourth Proportional to 105,463,200.87, 145,540,381.19 and 58,420,994.90

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Solution

The fourth proportional to 105,463,200.87, 145,540,381.19 and 58,420,994.90 is: 80,621,617.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,463,200.87 : 145,540,381.19 = 58,420,994.90 : x
  2. Step 2: Convert to fraction form
    105,463,200.87/145,540,381.19 = 58,420,994.90/x
  3. Step 3: Cross multiply
    105,463,200.87x = 145,540,381.19 × 58,420,994.90
  4. Step 4: Simplify right side
    105,463,200.87x = 8,502,613,866,225,240
  5. Step 5: Solve for x
    x = 8,502,613,866,225,240/105,463,200.87
  6. Step 6: Final answer
    x = 80,621,617.74

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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.