Home / 115,507,466.70-173,261,200.05-102,518,436.30

Finding the Fourth Proportional to 115,507,466.70, 173,261,200.05 and 102,518,436.30

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Solution

The fourth proportional to 115,507,466.70, 173,261,200.05 and 102,518,436.30 is: 153,777,654.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,507,466.70 : 173,261,200.05 = 102,518,436.30 : x
  2. Step 2: Convert to fraction form
    115,507,466.70/173,261,200.05 = 102,518,436.30/x
  3. Step 3: Cross multiply
    115,507,466.70x = 173,261,200.05 × 102,518,436.30
  4. Step 4: Simplify right side
    115,507,466.70x = 17,762,467,300,587,482
  5. Step 5: Solve for x
    x = 17,762,467,300,587,482/115,507,466.70
  6. Step 6: Final answer
    x = 153,777,654.45

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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.