Home / 136,270,667.28-188,054,285.94-77,533,330.98

Finding the Fourth Proportional to 136,270,667.28, 188,054,285.94 and 77,533,330.98

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Solution

The fourth proportional to 136,270,667.28, 188,054,285.94 and 77,533,330.98 is: 106,996,432.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,270,667.28 : 188,054,285.94 = 77,533,330.98 : x
  2. Step 2: Convert to fraction form
    136,270,667.28/188,054,285.94 = 77,533,330.98/x
  3. Step 3: Cross multiply
    136,270,667.28x = 188,054,285.94 × 77,533,330.98
  4. Step 4: Simplify right side
    136,270,667.28x = 14,580,475,193,993,582
  5. Step 5: Solve for x
    x = 14,580,475,193,993,582/136,270,667.28
  6. Step 6: Final answer
    x = 106,996,432.06

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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.