Home / 152,776,032.19-210,836,016.99-85,806,791.94

Finding the Fourth Proportional to 152,776,032.19, 210,836,016.99 and 85,806,791.94

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Solution

The fourth proportional to 152,776,032.19, 210,836,016.99 and 85,806,791.94 is: 118,416,233.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,776,032.19 : 210,836,016.99 = 85,806,791.94 : x
  2. Step 2: Convert to fraction form
    152,776,032.19/210,836,016.99 = 85,806,791.94/x
  3. Step 3: Cross multiply
    152,776,032.19x = 210,836,016.99 × 85,806,791.94
  4. Step 4: Simplify right side
    152,776,032.19x = 18,091,162,243,319,236
  5. Step 5: Solve for x
    x = 18,091,162,243,319,236/152,776,032.19
  6. Step 6: Final answer
    x = 118,416,233.12

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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.