Home / 136,270,915.02-188,054,626.56-77,533,578.72

Finding the Fourth Proportional to 136,270,915.02, 188,054,626.56 and 77,533,578.72

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Solution

The fourth proportional to 136,270,915.02, 188,054,626.56 and 77,533,578.72 is: 106,996,773.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,270,915.02 : 188,054,626.56 = 77,533,578.72 : x
  2. Step 2: Convert to fraction form
    136,270,915.02/188,054,626.56 = 77,533,578.72/x
  3. Step 3: Cross multiply
    136,270,915.02x = 188,054,626.56 × 77,533,578.72
  4. Step 4: Simplify right side
    136,270,915.02x = 14,580,548,192,049,962
  5. Step 5: Solve for x
    x = 14,580,548,192,049,962/136,270,915.02
  6. Step 6: Final answer
    x = 106,996,773.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.