Home / 85,661,566.49-128,492,346.49-25,077,292.49

Finding the Fourth Proportional to 85,661,566.49, 128,492,346.49 and 25,077,292.49

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Solution

The fourth proportional to 85,661,566.49, 128,492,346.49 and 25,077,292.49 is: 37,615,937.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,661,566.49 : 128,492,346.49 = 25,077,292.49 : x
  2. Step 2: Convert to fraction form
    85,661,566.49/128,492,346.49 = 25,077,292.49/x
  3. Step 3: Cross multiply
    85,661,566.49x = 128,492,346.49 × 25,077,292.49
  4. Step 4: Simplify right side
    85,661,566.49x = 3,222,240,154,950,999.50
  5. Step 5: Solve for x
    x = 3,222,240,154,950,999.50/85,661,566.49
  6. Step 6: Final answer
    x = 37,615,937.78

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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.