Home / 100,442,350,999.80-150,663,526,499.70-90,214,450,090.20

Finding the Fourth Proportional to 100,442,350,999.80, 150,663,526,499.70 and 90,214,450,090.20

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Solution

The fourth proportional to 100,442,350,999.80, 150,663,526,499.70 and 90,214,450,090.20 is: 135,321,675,135.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,442,350,999.80 : 150,663,526,499.70 = 90,214,450,090.20 : x
  2. Step 2: Convert to fraction form
    100,442,350,999.80/150,663,526,499.70 = 90,214,450,090.20/x
  3. Step 3: Cross multiply
    100,442,350,999.80x = 150,663,526,499.70 × 90,214,450,090.20
  4. Step 4: Simplify right side
    100,442,350,999.80x = 13,592,027,191,820,710,576,128
  5. Step 5: Solve for x
    x = 13,592,027,191,820,710,576,128/100,442,350,999.80
  6. Step 6: Final answer
    x = 135,321,675,135.30

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1.5x scale

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.