Home / 105,336,262.12-157,831,850.12-56,099,840.40

Finding the Fourth Proportional to 105,336,262.12, 157,831,850.12 and 56,099,840.40

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Solution

The fourth proportional to 105,336,262.12, 157,831,850.12 and 56,099,840.40 is: 84,057,867.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,336,262.12 : 157,831,850.12 = 56,099,840.40 : x
  2. Step 2: Convert to fraction form
    105,336,262.12/157,831,850.12 = 56,099,840.40/x
  3. Step 3: Cross multiply
    105,336,262.12x = 157,831,850.12 × 56,099,840.40
  4. Step 4: Simplify right side
    105,336,262.12x = 8,854,341,601,768,721
  5. Step 5: Solve for x
    x = 8,854,341,601,768,721/105,336,262.12
  6. Step 6: Final answer
    x = 84,057,867.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.