Home / 54,329,455.60-81,588,661.80-28,820,287.60

Finding the Fourth Proportional to 54,329,455.60, 81,588,661.80 and 28,820,287.60

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Solution

The fourth proportional to 54,329,455.60, 81,588,661.80 and 28,820,287.60 is: 43,280,549.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,329,455.60 : 81,588,661.80 = 28,820,287.60 : x
  2. Step 2: Convert to fraction form
    54,329,455.60/81,588,661.80 = 28,820,287.60/x
  3. Step 3: Cross multiply
    54,329,455.60x = 81,588,661.80 × 28,820,287.60
  4. Step 4: Simplify right side
    54,329,455.60x = 2,351,408,697,975,133.50
  5. Step 5: Solve for x
    x = 2,351,408,697,975,133.50/54,329,455.60
  6. Step 6: Final answer
    x = 43,280,549.60

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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.