Home / 209,564,099.46-287,103,840.78-201,709,692.24

Finding the Fourth Proportional to 209,564,099.46, 287,103,840.78 and 201,709,692.24

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Solution

The fourth proportional to 209,564,099.46, 287,103,840.78 and 201,709,692.24 is: 276,343,264.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,564,099.46 : 287,103,840.78 = 201,709,692.24 : x
  2. Step 2: Convert to fraction form
    209,564,099.46/287,103,840.78 = 201,709,692.24/x
  3. Step 3: Cross multiply
    209,564,099.46x = 287,103,840.78 × 201,709,692.24
  4. Step 4: Simplify right side
    209,564,099.46x = 57,911,627,364,655,760
  5. Step 5: Solve for x
    x = 57,911,627,364,655,760/209,564,099.46
  6. Step 6: Final answer
    x = 276,343,264.49

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.