Home / 136,482,604.08-188,345,979.72-74,603,189.76

Finding the Fourth Proportional to 136,482,604.08, 188,345,979.72 and 74,603,189.76

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Solution

The fourth proportional to 136,482,604.08, 188,345,979.72 and 74,603,189.76 is: 102,952,394.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,482,604.08 : 188,345,979.72 = 74,603,189.76 : x
  2. Step 2: Convert to fraction form
    136,482,604.08/188,345,979.72 = 74,603,189.76/x
  3. Step 3: Cross multiply
    136,482,604.08x = 188,345,979.72 × 74,603,189.76
  4. Step 4: Simplify right side
    136,482,604.08x = 14,051,210,865,584,272
  5. Step 5: Solve for x
    x = 14,051,210,865,584,272/136,482,604.08
  6. Step 6: Final answer
    x = 102,952,394.27

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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.