Home / 66,927,373.60-100,388,986.80-19,058,317.60

Finding the Fourth Proportional to 66,927,373.60, 100,388,986.80 and 19,058,317.60

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Solution

The fourth proportional to 66,927,373.60, 100,388,986.80 and 19,058,317.60 is: 28,586,885.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,927,373.60 : 100,388,986.80 = 19,058,317.60 : x
  2. Step 2: Convert to fraction form
    66,927,373.60/100,388,986.80 = 19,058,317.60/x
  3. Step 3: Cross multiply
    66,927,373.60x = 100,388,986.80 × 19,058,317.60
  4. Step 4: Simplify right side
    66,927,373.60x = 1,913,245,193,976,607.75
  5. Step 5: Solve for x
    x = 1,913,245,193,976,607.75/66,927,373.60
  6. Step 6: Final answer
    x = 28,586,885.92

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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.