Home / 74,896,939.60-112,345,409.40-53,285,880.40

Finding the Fourth Proportional to 74,896,939.60, 112,345,409.40 and 53,285,880.40

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Solution

The fourth proportional to 74,896,939.60, 112,345,409.40 and 53,285,880.40 is: 79,928,820.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,896,939.60 : 112,345,409.40 = 53,285,880.40 : x
  2. Step 2: Convert to fraction form
    74,896,939.60/112,345,409.40 = 53,285,880.40/x
  3. Step 3: Cross multiply
    74,896,939.60x = 112,345,409.40 × 53,285,880.40
  4. Step 4: Simplify right side
    74,896,939.60x = 5,986,424,048,777,436
  5. Step 5: Solve for x
    x = 5,986,424,048,777,436/74,896,939.60
  6. Step 6: Final answer
    x = 79,928,820.60

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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.