Home / 215,323,280.40-322,984,920.60-200,017,779.60

Finding the Fourth Proportional to 215,323,280.40, 322,984,920.60 and 200,017,779.60

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Solution

The fourth proportional to 215,323,280.40, 322,984,920.60 and 200,017,779.60 is: 300,026,669.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,323,280.40 : 322,984,920.60 = 200,017,779.60 : x
  2. Step 2: Convert to fraction form
    215,323,280.40/322,984,920.60 = 200,017,779.60/x
  3. Step 3: Cross multiply
    215,323,280.40x = 322,984,920.60 × 200,017,779.60
  4. Step 4: Simplify right side
    215,323,280.40x = 64,602,726,662,694,304
  5. Step 5: Solve for x
    x = 64,602,726,662,694,304/215,323,280.40
  6. Step 6: Final answer
    x = 300,026,669.40

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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.