Home / 43,107,776.40-64,661,664.60-38,431,095.60

Finding the Fourth Proportional to 43,107,776.40, 64,661,664.60 and 38,431,095.60

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Solution

The fourth proportional to 43,107,776.40, 64,661,664.60 and 38,431,095.60 is: 57,646,643.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,107,776.40 : 64,661,664.60 = 38,431,095.60 : x
  2. Step 2: Convert to fraction form
    43,107,776.40/64,661,664.60 = 38,431,095.60/x
  3. Step 3: Cross multiply
    43,107,776.40x = 64,661,664.60 × 38,431,095.60
  4. Step 4: Simplify right side
    43,107,776.40x = 2,485,018,613,897,736
  5. Step 5: Solve for x
    x = 2,485,018,613,897,736/43,107,776.40
  6. Step 6: Final answer
    x = 57,646,643.40

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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.