Home / 99,782,389.31-149,673,583.98-31,625,081.06

Finding the Fourth Proportional to 99,782,389.31, 149,673,583.98 and 31,625,081.06

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Solution

The fourth proportional to 99,782,389.31, 149,673,583.98 and 31,625,081.06 is: 47,437,621.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,782,389.31 : 149,673,583.98 = 31,625,081.06 : x
  2. Step 2: Convert to fraction form
    99,782,389.31/149,673,583.98 = 31,625,081.06/x
  3. Step 3: Cross multiply
    99,782,389.31x = 149,673,583.98 × 31,625,081.06
  4. Step 4: Simplify right side
    99,782,389.31x = 4,733,439,225,908,217
  5. Step 5: Solve for x
    x = 4,733,439,225,908,217/99,782,389.31
  6. Step 6: Final answer
    x = 47,437,621.59

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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.