Home / 190,247,116.92-285,266,822.95-57,280,578.72

Finding the Fourth Proportional to 190,247,116.92, 285,266,822.95 and 57,280,578.72

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Solution

The fourth proportional to 190,247,116.92, 285,266,822.95 and 57,280,578.72 is: 85,889,599.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,247,116.92 : 285,266,822.95 = 57,280,578.72 : x
  2. Step 2: Convert to fraction form
    190,247,116.92/285,266,822.95 = 57,280,578.72/x
  3. Step 3: Cross multiply
    190,247,116.92x = 285,266,822.95 × 57,280,578.72
  4. Step 4: Simplify right side
    190,247,116.92x = 16,340,248,708,263,378
  5. Step 5: Solve for x
    x = 16,340,248,708,263,378/190,247,116.92
  6. Step 6: Final answer
    x = 85,889,599.66

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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.