Home / 90,850,709.80-136,276,064.70-30,266,435.80

Finding the Fourth Proportional to 90,850,709.80, 136,276,064.70 and 30,266,435.80

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Solution

The fourth proportional to 90,850,709.80, 136,276,064.70 and 30,266,435.80 is: 45,399,653.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,850,709.80 : 136,276,064.70 = 30,266,435.80 : x
  2. Step 2: Convert to fraction form
    90,850,709.80/136,276,064.70 = 30,266,435.80/x
  3. Step 3: Cross multiply
    90,850,709.80x = 136,276,064.70 × 30,266,435.80
  4. Step 4: Simplify right side
    90,850,709.80x = 4,124,590,763,319,196
  5. Step 5: Solve for x
    x = 4,124,590,763,319,196/90,850,709.80
  6. Step 6: Final answer
    x = 45,399,653.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.