Home / 61,241,605.20-91,862,407.80-30,630,603.60

Finding the Fourth Proportional to 61,241,605.20, 91,862,407.80 and 30,630,603.60

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Solution

The fourth proportional to 61,241,605.20, 91,862,407.80 and 30,630,603.60 is: 45,945,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,241,605.20 : 91,862,407.80 = 30,630,603.60 : x
  2. Step 2: Convert to fraction form
    61,241,605.20/91,862,407.80 = 30,630,603.60/x
  3. Step 3: Cross multiply
    61,241,605.20x = 91,862,407.80 × 30,630,603.60
  4. Step 4: Simplify right side
    61,241,605.20x = 2,813,800,999,063,348
  5. Step 5: Solve for x
    x = 2,813,800,999,063,348/61,241,605.20
  6. Step 6: Final answer
    x = 45,945,905.40

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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.