Home / 191,767,422.11-287,619,640.36-82,563,192.95

Finding the Fourth Proportional to 191,767,422.11, 287,619,640.36 and 82,563,192.95

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Solution

The fourth proportional to 191,767,422.11, 287,619,640.36 and 82,563,192.95 is: 123,831,230.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,767,422.11 : 287,619,640.36 = 82,563,192.95 : x
  2. Step 2: Convert to fraction form
    191,767,422.11/287,619,640.36 = 82,563,192.95/x
  3. Step 3: Cross multiply
    191,767,422.11x = 287,619,640.36 × 82,563,192.95
  4. Step 4: Simplify right side
    191,767,422.11x = 23,746,795,862,686,356
  5. Step 5: Solve for x
    x = 23,746,795,862,686,356/191,767,422.11
  6. Step 6: Final answer
    x = 123,831,230.57

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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.