Home / 201,961,779.70-278,719,745.95-111,434,827.93

Finding the Fourth Proportional to 201,961,779.70, 278,719,745.95 and 111,434,827.93

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Solution

The fourth proportional to 201,961,779.70, 278,719,745.95 and 111,434,827.93 is: 153,786,954.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,961,779.70 : 278,719,745.95 = 111,434,827.93 : x
  2. Step 2: Convert to fraction form
    201,961,779.70/278,719,745.95 = 111,434,827.93/x
  3. Step 3: Cross multiply
    201,961,779.70x = 278,719,745.95 × 111,434,827.93
  4. Step 4: Simplify right side
    201,961,779.70x = 31,059,086,931,202,732
  5. Step 5: Solve for x
    x = 31,059,086,931,202,732/201,961,779.70
  6. Step 6: Final answer
    x = 153,786,954.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.