Home / 120,368,971.40-166,106,370.27-70,812,536.45

Finding the Fourth Proportional to 120,368,971.40, 166,106,370.27 and 70,812,536.45

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Solution

The fourth proportional to 120,368,971.40, 166,106,370.27 and 70,812,536.45 is: 97,719,647.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,368,971.40 : 166,106,370.27 = 70,812,536.45 : x
  2. Step 2: Convert to fraction form
    120,368,971.40/166,106,370.27 = 70,812,536.45/x
  3. Step 3: Cross multiply
    120,368,971.40x = 166,106,370.27 × 70,812,536.45
  4. Step 4: Simplify right side
    120,368,971.40x = 11,762,413,398,491,040
  5. Step 5: Solve for x
    x = 11,762,413,398,491,040/120,368,971.40
  6. Step 6: Final answer
    x = 97,719,647.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.