Home / 145,787,905.50-201,191,508.63-80,602,008.54

Finding the Fourth Proportional to 145,787,905.50, 201,191,508.63 and 80,602,008.54

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Solution

The fourth proportional to 145,787,905.50, 201,191,508.63 and 80,602,008.54 is: 111,233,093.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,787,905.50 : 201,191,508.63 = 80,602,008.54 : x
  2. Step 2: Convert to fraction form
    145,787,905.50/201,191,508.63 = 80,602,008.54/x
  3. Step 3: Cross multiply
    145,787,905.50x = 201,191,508.63 × 80,602,008.54
  4. Step 4: Simplify right side
    145,787,905.50x = 16,216,439,696,770,744
  5. Step 5: Solve for x
    x = 16,216,439,696,770,744/145,787,905.50
  6. Step 6: Final answer
    x = 111,233,093.32

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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.