Home / 48,492,813.70-72,739,220.55-43,231,547.80

Finding the Fourth Proportional to 48,492,813.70, 72,739,220.55 and 43,231,547.80

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Solution

The fourth proportional to 48,492,813.70, 72,739,220.55 and 43,231,547.80 is: 64,847,321.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,492,813.70 : 72,739,220.55 = 43,231,547.80 : x
  2. Step 2: Convert to fraction form
    48,492,813.70/72,739,220.55 = 43,231,547.80/x
  3. Step 3: Cross multiply
    48,492,813.70x = 72,739,220.55 × 43,231,547.80
  4. Step 4: Simplify right side
    48,492,813.70x = 3,144,629,090,142,067
  5. Step 5: Solve for x
    x = 3,144,629,090,142,067/48,492,813.70
  6. Step 6: Final answer
    x = 64,847,321.70

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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.