Home / 66,889,999.90-100,310,903.97-23,158,885.21

Finding the Fourth Proportional to 66,889,999.90, 100,310,903.97 and 23,158,885.21

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Solution

The fourth proportional to 66,889,999.90, 100,310,903.97 and 23,158,885.21 is: 34,729,985.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,889,999.90 : 100,310,903.97 = 23,158,885.21 : x
  2. Step 2: Convert to fraction form
    66,889,999.90/100,310,903.97 = 23,158,885.21/x
  3. Step 3: Cross multiply
    66,889,999.90x = 100,310,903.97 × 23,158,885.21
  4. Step 4: Simplify right side
    66,889,999.90x = 2,323,088,710,352,563.50
  5. Step 5: Solve for x
    x = 2,323,088,710,352,563.50/66,889,999.90
  6. Step 6: Final answer
    x = 34,729,985.26

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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.