Home / 148,937,791.80-223,406,687.70-103,021,289.40

Finding the Fourth Proportional to 148,937,791.80, 223,406,687.70 and 103,021,289.40

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Solution

The fourth proportional to 148,937,791.80, 223,406,687.70 and 103,021,289.40 is: 154,531,934.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,937,791.80 : 223,406,687.70 = 103,021,289.40 : x
  2. Step 2: Convert to fraction form
    148,937,791.80/223,406,687.70 = 103,021,289.40/x
  3. Step 3: Cross multiply
    148,937,791.80x = 223,406,687.70 × 103,021,289.40
  4. Step 4: Simplify right side
    148,937,791.80x = 23,015,645,027,437,120
  5. Step 5: Solve for x
    x = 23,015,645,027,437,120/148,937,791.80
  6. Step 6: Final answer
    x = 154,531,934.10

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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.