Home / 148,937,872.80-223,406,809.20-103,021,370.40

Finding the Fourth Proportional to 148,937,872.80, 223,406,809.20 and 103,021,370.40

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Solution

The fourth proportional to 148,937,872.80, 223,406,809.20 and 103,021,370.40 is: 154,532,055.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,937,872.80 : 223,406,809.20 = 103,021,370.40 : x
  2. Step 2: Convert to fraction form
    148,937,872.80/223,406,809.20 = 103,021,370.40/x
  3. Step 3: Cross multiply
    148,937,872.80x = 223,406,809.20 × 103,021,370.40
  4. Step 4: Simplify right side
    148,937,872.80x = 23,015,675,640,475,328
  5. Step 5: Solve for x
    x = 23,015,675,640,475,328/148,937,872.80
  6. Step 6: Final answer
    x = 154,532,055.60

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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.