Home / 203,974,620.90-305,961,931.35-163,663,836.90

Finding the Fourth Proportional to 203,974,620.90, 305,961,931.35 and 163,663,836.90

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Solution

The fourth proportional to 203,974,620.90, 305,961,931.35 and 163,663,836.90 is: 245,495,755.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,974,620.90 : 305,961,931.35 = 163,663,836.90 : x
  2. Step 2: Convert to fraction form
    203,974,620.90/305,961,931.35 = 163,663,836.90/x
  3. Step 3: Cross multiply
    203,974,620.90x = 305,961,931.35 × 163,663,836.90
  4. Step 4: Simplify right side
    203,974,620.90x = 50,074,903,630,075,400
  5. Step 5: Solve for x
    x = 50,074,903,630,075,400/203,974,620.90
  6. Step 6: Final answer
    x = 245,495,755.35

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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.