Home / 76,665,943.36-105,808,279.44-43,634,224

Finding the Fourth Proportional to 76,665,943.36, 105,808,279.44 and 43,634,224

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Solution

The fourth proportional to 76,665,943.36, 105,808,279.44 and 43,634,224 is: 60,220,509.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,665,943.36 : 105,808,279.44 = 43,634,224 : x
  2. Step 2: Convert to fraction form
    76,665,943.36/105,808,279.44 = 43,634,224/x
  3. Step 3: Cross multiply
    76,665,943.36x = 105,808,279.44 × 43,634,224
  4. Step 4: Simplify right side
    76,665,943.36x = 4,616,862,166,139,554
  5. Step 5: Solve for x
    x = 4,616,862,166,139,554/76,665,943.36
  6. Step 6: Final answer
    x = 60,220,509.44

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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.