Home / 103,019,980.80-154,529,971.20-26,349,009.60

Finding the Fourth Proportional to 103,019,980.80, 154,529,971.20 and 26,349,009.60

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Solution

The fourth proportional to 103,019,980.80, 154,529,971.20 and 26,349,009.60 is: 39,523,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,019,980.80 : 154,529,971.20 = 26,349,009.60 : x
  2. Step 2: Convert to fraction form
    103,019,980.80/154,529,971.20 = 26,349,009.60/x
  3. Step 3: Cross multiply
    103,019,980.80x = 154,529,971.20 × 26,349,009.60
  4. Step 4: Simplify right side
    103,019,980.80x = 4,071,711,694,636,523.50
  5. Step 5: Solve for x
    x = 4,071,711,694,636,523.50/103,019,980.80
  6. Step 6: Final answer
    x = 39,523,514.40

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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.