Home / 54,393,965.10-81,590,947.65-47,308,085.10

Finding the Fourth Proportional to 54,393,965.10, 81,590,947.65 and 47,308,085.10

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Solution

The fourth proportional to 54,393,965.10, 81,590,947.65 and 47,308,085.10 is: 70,962,127.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,393,965.10 : 81,590,947.65 = 47,308,085.10 : x
  2. Step 2: Convert to fraction form
    54,393,965.10/81,590,947.65 = 47,308,085.10/x
  3. Step 3: Cross multiply
    54,393,965.10x = 81,590,947.65 × 47,308,085.10
  4. Step 4: Simplify right side
    54,393,965.10x = 3,859,911,494,815,845.50
  5. Step 5: Solve for x
    x = 3,859,911,494,815,845.50/54,393,965.10
  6. Step 6: Final answer
    x = 70,962,127.65

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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.