Home / 66,176,105.40-99,264,158.10-49,169,993.40

Finding the Fourth Proportional to 66,176,105.40, 99,264,158.10 and 49,169,993.40

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Solution

The fourth proportional to 66,176,105.40, 99,264,158.10 and 49,169,993.40 is: 73,754,990.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,176,105.40 : 99,264,158.10 = 49,169,993.40 : x
  2. Step 2: Convert to fraction form
    66,176,105.40/99,264,158.10 = 49,169,993.40/x
  3. Step 3: Cross multiply
    66,176,105.40x = 99,264,158.10 × 49,169,993.40
  4. Step 4: Simplify right side
    66,176,105.40x = 4,880,817,998,633,556
  5. Step 5: Solve for x
    x = 4,880,817,998,633,556/66,176,105.40
  6. Step 6: Final answer
    x = 73,754,990.10

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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.