Home / 191,862,414.80-287,793,622.20-130,640,411.60

Finding the Fourth Proportional to 191,862,414.80, 287,793,622.20 and 130,640,411.60

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Solution

The fourth proportional to 191,862,414.80, 287,793,622.20 and 130,640,411.60 is: 195,960,617.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,862,414.80 : 287,793,622.20 = 130,640,411.60 : x
  2. Step 2: Convert to fraction form
    191,862,414.80/287,793,622.20 = 130,640,411.60/x
  3. Step 3: Cross multiply
    191,862,414.80x = 287,793,622.20 × 130,640,411.60
  4. Step 4: Simplify right side
    191,862,414.80x = 37,597,477,260,062,896
  5. Step 5: Solve for x
    x = 37,597,477,260,062,896/191,862,414.80
  6. Step 6: Final answer
    x = 195,960,617.40

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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.