Home / 208,144,729.80-312,216,264.18-93,048,559.29

Finding the Fourth Proportional to 208,144,729.80, 312,216,264.18 and 93,048,559.29

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Solution

The fourth proportional to 208,144,729.80, 312,216,264.18 and 93,048,559.29 is: 139,572,467.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,144,729.80 : 312,216,264.18 = 93,048,559.29 : x
  2. Step 2: Convert to fraction form
    208,144,729.80/312,216,264.18 = 93,048,559.29/x
  3. Step 3: Cross multiply
    208,144,729.80x = 312,216,264.18 × 93,048,559.29
  4. Step 4: Simplify right side
    208,144,729.80x = 29,051,273,568,855,036
  5. Step 5: Solve for x
    x = 29,051,273,568,855,036/208,144,729.80
  6. Step 6: Final answer
    x = 139,572,467.66

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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.