Home / 48,492,013.80-72,738,020.70-46,578,826.20

Finding the Fourth Proportional to 48,492,013.80, 72,738,020.70 and 46,578,826.20

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Solution

The fourth proportional to 48,492,013.80, 72,738,020.70 and 46,578,826.20 is: 69,868,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,492,013.80 : 72,738,020.70 = 46,578,826.20 : x
  2. Step 2: Convert to fraction form
    48,492,013.80/72,738,020.70 = 46,578,826.20/x
  3. Step 3: Cross multiply
    48,492,013.80x = 72,738,020.70 × 46,578,826.20
  4. Step 4: Simplify right side
    48,492,013.80x = 3,388,051,624,317,302.50
  5. Step 5: Solve for x
    x = 3,388,051,624,317,302.50/48,492,013.80
  6. Step 6: Final answer
    x = 69,868,239.30

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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.