Home / 505,487,165.56-758,260,142.10-142,009,865.08

Finding the Fourth Proportional to 505,487,165.56, 758,260,142.10 and 142,009,865.08

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Solution

The fourth proportional to 505,487,165.56, 758,260,142.10 and 142,009,865.08 is: 213,023,055.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,487,165.56 : 758,260,142.10 = 142,009,865.08 : x
  2. Step 2: Convert to fraction form
    505,487,165.56/758,260,142.10 = 142,009,865.08/x
  3. Step 3: Cross multiply
    505,487,165.56x = 758,260,142.10 × 142,009,865.08
  4. Step 4: Simplify right side
    505,487,165.56x = 107,680,420,475,162,640
  5. Step 5: Solve for x
    x = 107,680,420,475,162,640/505,487,165.56
  6. Step 6: Final answer
    x = 213,023,055.40

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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.