Home / 70,060,961.80-105,101,486.70-21,542,890.60

Finding the Fourth Proportional to 70,060,961.80, 105,101,486.70 and 21,542,890.60

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Solution

The fourth proportional to 70,060,961.80, 105,101,486.70 and 21,542,890.60 is: 32,317,424.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,060,961.80 : 105,101,486.70 = 21,542,890.60 : x
  2. Step 2: Convert to fraction form
    70,060,961.80/105,101,486.70 = 21,542,890.60/x
  3. Step 3: Cross multiply
    70,060,961.80x = 105,101,486.70 × 21,542,890.60
  4. Step 4: Simplify right side
    70,060,961.80x = 2,264,189,829,875,455
  5. Step 5: Solve for x
    x = 2,264,189,829,875,455/70,060,961.80
  6. Step 6: Final answer
    x = 32,317,424.31

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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.