Home / 93,198,507.20-128,614,536.96-51,948,015.20

Finding the Fourth Proportional to 93,198,507.20, 128,614,536.96 and 51,948,015.20

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Solution

The fourth proportional to 93,198,507.20, 128,614,536.96 and 51,948,015.20 is: 71,688,593.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,198,507.20 : 128,614,536.96 = 51,948,015.20 : x
  2. Step 2: Convert to fraction form
    93,198,507.20/128,614,536.96 = 51,948,015.20/x
  3. Step 3: Cross multiply
    93,198,507.20x = 128,614,536.96 × 51,948,015.20
  4. Step 4: Simplify right side
    93,198,507.20x = 6,681,269,920,939,042
  5. Step 5: Solve for x
    x = 6,681,269,920,939,042/93,198,507.20
  6. Step 6: Final answer
    x = 71,688,593.75

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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.