Home / 145,728,661.20-218,617,486.20-43,503,032.40

Finding the Fourth Proportional to 145,728,661.20, 218,617,486.20 and 43,503,032.40

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Solution

The fourth proportional to 145,728,661.20, 218,617,486.20 and 43,503,032.40 is: 65,261,860.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,728,661.20 : 218,617,486.20 = 43,503,032.40 : x
  2. Step 2: Convert to fraction form
    145,728,661.20/218,617,486.20 = 43,503,032.40/x
  3. Step 3: Cross multiply
    145,728,661.20x = 218,617,486.20 × 43,503,032.40
  4. Step 4: Simplify right side
    145,728,661.20x = 9,510,523,585,365,152
  5. Step 5: Solve for x
    x = 9,510,523,585,365,152/145,728,661.20
  6. Step 6: Final answer
    x = 65,261,860.69

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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.