Home / 103,236,662.45-142,470,356.12-56,191,463.01

Finding the Fourth Proportional to 103,236,662.45, 142,470,356.12 and 56,191,463.01

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Solution

The fourth proportional to 103,236,662.45, 142,470,356.12 and 56,191,463.01 is: 77,546,266.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,236,662.45 : 142,470,356.12 = 56,191,463.01 : x
  2. Step 2: Convert to fraction form
    103,236,662.45/142,470,356.12 = 56,191,463.01/x
  3. Step 3: Cross multiply
    103,236,662.45x = 142,470,356.12 × 56,191,463.01
  4. Step 4: Simplify right side
    103,236,662.45x = 8,005,617,745,868,268
  5. Step 5: Solve for x
    x = 8,005,617,745,868,268/103,236,662.45
  6. Step 6: Final answer
    x = 77,546,266.57

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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.