Home / 148,908,008.40-223,362,012.60-72,380,504.40

Finding the Fourth Proportional to 148,908,008.40, 223,362,012.60 and 72,380,504.40

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Solution

The fourth proportional to 148,908,008.40, 223,362,012.60 and 72,380,504.40 is: 108,570,756.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,908,008.40 : 223,362,012.60 = 72,380,504.40 : x
  2. Step 2: Convert to fraction form
    148,908,008.40/223,362,012.60 = 72,380,504.40/x
  3. Step 3: Cross multiply
    148,908,008.40x = 223,362,012.60 × 72,380,504.40
  4. Step 4: Simplify right side
    148,908,008.40x = 16,167,055,135,787,156
  5. Step 5: Solve for x
    x = 16,167,055,135,787,156/148,908,008.40
  6. Step 6: Final answer
    x = 108,570,756.60

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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.