Home / 103,236,376.34-142,469,958.60-56,191,177.60

Finding the Fourth Proportional to 103,236,376.34, 142,469,958.60 and 56,191,177.60

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Solution

The fourth proportional to 103,236,376.34, 142,469,958.60 and 56,191,177.60 is: 77,545,871.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,236,376.34 : 142,469,958.60 = 56,191,177.60 : x
  2. Step 2: Convert to fraction form
    103,236,376.34/142,469,958.60 = 56,191,177.60/x
  3. Step 3: Cross multiply
    103,236,376.34x = 142,469,958.60 × 56,191,177.60
  4. Step 4: Simplify right side
    103,236,376.34x = 8,005,554,746,357,247
  5. Step 5: Solve for x
    x = 8,005,554,746,357,247/103,236,376.34
  6. Step 6: Final answer
    x = 77,545,871.23

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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.