Home / 90,021,887,999.20-135,032,831,998.80-62,159,074,098.40

Finding the Fourth Proportional to 90,021,887,999.20, 135,032,831,998.80 and 62,159,074,098.40

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Solution

The fourth proportional to 90,021,887,999.20, 135,032,831,998.80 and 62,159,074,098.40 is: 93,238,611,147.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,021,887,999.20 : 135,032,831,998.80 = 62,159,074,098.40 : x
  2. Step 2: Convert to fraction form
    90,021,887,999.20/135,032,831,998.80 = 62,159,074,098.40/x
  3. Step 3: Cross multiply
    90,021,887,999.20x = 135,032,831,998.80 × 62,159,074,098.40
  4. Step 4: Simplify right side
    90,021,887,999.20x = 8,393,515,809,930,208,083,968
  5. Step 5: Solve for x
    x = 8,393,515,809,930,208,083,968/90,021,887,999.20
  6. Step 6: Final answer
    x = 93,238,611,147.60

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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.