Home / 81,184,664.80-121,770,643.29-22,889,988.10

Finding the Fourth Proportional to 81,184,664.80, 121,770,643.29 and 22,889,988.10

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Solution

The fourth proportional to 81,184,664.80, 121,770,643.29 and 22,889,988.10 is: 34,333,190.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,184,664.80 : 121,770,643.29 = 22,889,988.10 : x
  2. Step 2: Convert to fraction form
    81,184,664.80/121,770,643.29 = 22,889,988.10/x
  3. Step 3: Cross multiply
    81,184,664.80x = 121,770,643.29 × 22,889,988.10
  4. Step 4: Simplify right side
    81,184,664.80x = 2,787,328,575,837,445
  5. Step 5: Solve for x
    x = 2,787,328,575,837,445/81,184,664.80
  6. Step 6: Final answer
    x = 34,333,190.67

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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.