Home / 105,463,196.37-145,540,374.95-58,420,990.40

Finding the Fourth Proportional to 105,463,196.37, 145,540,374.95 and 58,420,990.40

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Solution

The fourth proportional to 105,463,196.37, 145,540,374.95 and 58,420,990.40 is: 80,621,611.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,463,196.37 : 145,540,374.95 = 58,420,990.40 : x
  2. Step 2: Convert to fraction form
    105,463,196.37/145,540,374.95 = 58,420,990.40/x
  3. Step 3: Cross multiply
    105,463,196.37x = 145,540,374.95 × 58,420,990.40
  4. Step 4: Simplify right side
    105,463,196.37x = 8,502,612,847,184,701
  5. Step 5: Solve for x
    x = 8,502,612,847,184,701/105,463,196.37
  6. Step 6: Final answer
    x = 80,621,611.52

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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.