Home / 136,270,665.28-188,054,283.18-77,533,328.98

Finding the Fourth Proportional to 136,270,665.28, 188,054,283.18 and 77,533,328.98

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Solution

The fourth proportional to 136,270,665.28, 188,054,283.18 and 77,533,328.98 is: 106,996,429.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,270,665.28 : 188,054,283.18 = 77,533,328.98 : x
  2. Step 2: Convert to fraction form
    136,270,665.28/188,054,283.18 = 77,533,328.98/x
  3. Step 3: Cross multiply
    136,270,665.28x = 188,054,283.18 × 77,533,328.98
  4. Step 4: Simplify right side
    136,270,665.28x = 14,580,474,603,893,022
  5. Step 5: Solve for x
    x = 14,580,474,603,893,022/136,270,665.28
  6. Step 6: Final answer
    x = 106,996,429.30

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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.