Home / 115,507,907.70-173,261,861.55-102,518,877.30

Finding the Fourth Proportional to 115,507,907.70, 173,261,861.55 and 102,518,877.30

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Solution

The fourth proportional to 115,507,907.70, 173,261,861.55 and 102,518,877.30 is: 153,778,315.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,507,907.70 : 173,261,861.55 = 102,518,877.30 : x
  2. Step 2: Convert to fraction form
    115,507,907.70/173,261,861.55 = 102,518,877.30/x
  3. Step 3: Cross multiply
    115,507,907.70x = 173,261,861.55 × 102,518,877.30
  4. Step 4: Simplify right side
    115,507,907.70x = 17,762,611,525,014,038
  5. Step 5: Solve for x
    x = 17,762,611,525,014,038/115,507,907.70
  6. Step 6: Final answer
    x = 153,778,315.95

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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.