Home / 135,114,848.64-186,453,955.44-80,078,031.36

Finding the Fourth Proportional to 135,114,848.64, 186,453,955.44 and 80,078,031.36

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Solution

The fourth proportional to 135,114,848.64, 186,453,955.44 and 80,078,031.36 is: 110,504,995.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,114,848.64 : 186,453,955.44 = 80,078,031.36 : x
  2. Step 2: Convert to fraction form
    135,114,848.64/186,453,955.44 = 80,078,031.36/x
  3. Step 3: Cross multiply
    135,114,848.64x = 186,453,955.44 × 80,078,031.36
  4. Step 4: Simplify right side
    135,114,848.64x = 14,930,865,690,920,362
  5. Step 5: Solve for x
    x = 14,930,865,690,920,362/135,114,848.64
  6. Step 6: Final answer
    x = 110,504,995.13

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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.