Home / 103,236,313.10-142,469,871.47-56,191,114.49

Finding the Fourth Proportional to 103,236,313.10, 142,469,871.47 and 56,191,114.49

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Solution

The fourth proportional to 103,236,313.10, 142,469,871.47 and 56,191,114.49 is: 77,545,784.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,236,313.10 : 142,469,871.47 = 56,191,114.49 : x
  2. Step 2: Convert to fraction form
    103,236,313.10/142,469,871.47 = 56,191,114.49/x
  3. Step 3: Cross multiply
    103,236,313.10x = 142,469,871.47 × 56,191,114.49
  4. Step 4: Simplify right side
    103,236,313.10x = 8,005,540,859,643,007
  5. Step 5: Solve for x
    x = 8,005,540,859,643,007/103,236,313.10
  6. Step 6: Final answer
    x = 77,545,784.23

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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.