Home / 152,243,065.31-210,095,637.50-82,628,447.09

Finding the Fourth Proportional to 152,243,065.31, 210,095,637.50 and 82,628,447.09

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Solution

The fourth proportional to 152,243,065.31, 210,095,637.50 and 82,628,447.09 is: 114,027,369.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,243,065.31 : 210,095,637.50 = 82,628,447.09 : x
  2. Step 2: Convert to fraction form
    152,243,065.31/210,095,637.50 = 82,628,447.09/x
  3. Step 3: Cross multiply
    152,243,065.31x = 210,095,637.50 × 82,628,447.09
  4. Step 4: Simplify right side
    152,243,065.31x = 17,359,876,266,164,662
  5. Step 5: Solve for x
    x = 17,359,876,266,164,662/152,243,065.31
  6. Step 6: Final answer
    x = 114,027,369.53

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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.