Home / 145,224,815.52-200,417,350.74-81,665,158.54

Finding the Fourth Proportional to 145,224,815.52, 200,417,350.74 and 81,665,158.54

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Solution

The fourth proportional to 145,224,815.52, 200,417,350.74 and 81,665,158.54 is: 112,701,914.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,224,815.52 : 200,417,350.74 = 81,665,158.54 : x
  2. Step 2: Convert to fraction form
    145,224,815.52/200,417,350.74 = 81,665,158.54/x
  3. Step 3: Cross multiply
    145,224,815.52x = 200,417,350.74 × 81,665,158.54
  4. Step 4: Simplify right side
    145,224,815.52x = 16,367,114,722,348,888
  5. Step 5: Solve for x
    x = 16,367,114,722,348,888/145,224,815.52
  6. Step 6: Final answer
    x = 112,701,914.36

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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.