Home / 93,990,528.36-140,986,766.16-28,412,212.32

Finding the Fourth Proportional to 93,990,528.36, 140,986,766.16 and 28,412,212.32

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Solution

The fourth proportional to 93,990,528.36, 140,986,766.16 and 28,412,212.32 is: 42,618,612.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,990,528.36 : 140,986,766.16 = 28,412,212.32 : x
  2. Step 2: Convert to fraction form
    93,990,528.36/140,986,766.16 = 28,412,212.32/x
  3. Step 3: Cross multiply
    93,990,528.36x = 140,986,766.16 × 28,412,212.32
  4. Step 4: Simplify right side
    93,990,528.36x = 4,005,745,934,448,111
  5. Step 5: Solve for x
    x = 4,005,745,934,448,111/93,990,528.36
  6. Step 6: Final answer
    x = 42,618,612.79

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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.