Home / 72,483,450.40-108,651,692.40-36,035,783.20

Finding the Fourth Proportional to 72,483,450.40, 108,651,692.40 and 36,035,783.20

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Solution

The fourth proportional to 72,483,450.40, 108,651,692.40 and 36,035,783.20 is: 54,017,141.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,483,450.40 : 108,651,692.40 = 36,035,783.20 : x
  2. Step 2: Convert to fraction form
    72,483,450.40/108,651,692.40 = 36,035,783.20/x
  3. Step 3: Cross multiply
    72,483,450.40x = 108,651,692.40 × 36,035,783.20
  4. Step 4: Simplify right side
    72,483,450.40x = 3,915,348,831,639,488
  5. Step 5: Solve for x
    x = 3,915,348,831,639,488/72,483,450.40
  6. Step 6: Final answer
    x = 54,017,141.98

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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.