Home / 122,349,643.20-183,524,464.80-73,976,702.40

Finding the Fourth Proportional to 122,349,643.20, 183,524,464.80 and 73,976,702.40

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Solution

The fourth proportional to 122,349,643.20, 183,524,464.80 and 73,976,702.40 is: 110,965,053.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,349,643.20 : 183,524,464.80 = 73,976,702.40 : x
  2. Step 2: Convert to fraction form
    122,349,643.20/183,524,464.80 = 73,976,702.40/x
  3. Step 3: Cross multiply
    122,349,643.20x = 183,524,464.80 × 73,976,702.40
  4. Step 4: Simplify right side
    122,349,643.20x = 13,576,534,715,628,878
  5. Step 5: Solve for x
    x = 13,576,534,715,628,878/122,349,643.20
  6. Step 6: Final answer
    x = 110,965,053.60

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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.