Home / 54,312,135.60-81,468,203.40-47,297,114.40

Finding the Fourth Proportional to 54,312,135.60, 81,468,203.40 and 47,297,114.40

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Solution

The fourth proportional to 54,312,135.60, 81,468,203.40 and 47,297,114.40 is: 70,945,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,312,135.60 : 81,468,203.40 = 47,297,114.40 : x
  2. Step 2: Convert to fraction form
    54,312,135.60/81,468,203.40 = 47,297,114.40/x
  3. Step 3: Cross multiply
    54,312,135.60x = 81,468,203.40 × 47,297,114.40
  4. Step 4: Simplify right side
    54,312,135.60x = 3,853,210,936,172,269
  5. Step 5: Solve for x
    x = 3,853,210,936,172,269/54,312,135.60
  6. Step 6: Final answer
    x = 70,945,671.60

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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.