Home / 200,291,455.92-299,919,762.45-138,234,259.29

Finding the Fourth Proportional to 200,291,455.92, 299,919,762.45 and 138,234,259.29

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Solution

The fourth proportional to 200,291,455.92, 299,919,762.45 and 138,234,259.29 is: 206,994,282.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,291,455.92 : 299,919,762.45 = 138,234,259.29 : x
  2. Step 2: Convert to fraction form
    200,291,455.92/299,919,762.45 = 138,234,259.29/x
  3. Step 3: Cross multiply
    200,291,455.92x = 299,919,762.45 × 138,234,259.29
  4. Step 4: Simplify right side
    200,291,455.92x = 41,459,186,208,708,504
  5. Step 5: Solve for x
    x = 41,459,186,208,708,504/200,291,455.92
  6. Step 6: Final answer
    x = 206,994,282.50

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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.