Home / 200,264,494.05-300,430,657.34-69,071,148.11

Finding the Fourth Proportional to 200,264,494.05, 300,430,657.34 and 69,071,148.11

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Solution

The fourth proportional to 200,264,494.05, 300,430,657.34 and 69,071,148.11 is: 103,618,419.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,264,494.05 : 300,430,657.34 = 69,071,148.11 : x
  2. Step 2: Convert to fraction form
    200,264,494.05/300,430,657.34 = 69,071,148.11/x
  3. Step 3: Cross multiply
    200,264,494.05x = 300,430,657.34 × 69,071,148.11
  4. Step 4: Simplify right side
    200,264,494.05x = 20,751,090,429,570,440
  5. Step 5: Solve for x
    x = 20,751,090,429,570,440/200,264,494.05
  6. Step 6: Final answer
    x = 103,618,419.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.