Home / 73,507,657.20-110,261,485.80-69,920,430.45

Finding the Fourth Proportional to 73,507,657.20, 110,261,485.80 and 69,920,430.45

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Solution

The fourth proportional to 73,507,657.20, 110,261,485.80 and 69,920,430.45 is: 104,880,645.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,507,657.20 : 110,261,485.80 = 69,920,430.45 : x
  2. Step 2: Convert to fraction form
    73,507,657.20/110,261,485.80 = 69,920,430.45/x
  3. Step 3: Cross multiply
    73,507,657.20x = 110,261,485.80 × 69,920,430.45
  4. Step 4: Simplify right side
    73,507,657.20x = 7,709,530,549,192,563
  5. Step 5: Solve for x
    x = 7,709,530,549,192,563/73,507,657.20
  6. Step 6: Final answer
    x = 104,880,645.68

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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.