Home / 290,304,027.60-435,456,041.40-162,636,622.80

Finding the Fourth Proportional to 290,304,027.60, 435,456,041.40 and 162,636,622.80

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Solution

The fourth proportional to 290,304,027.60, 435,456,041.40 and 162,636,622.80 is: 243,954,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,304,027.60 : 435,456,041.40 = 162,636,622.80 : x
  2. Step 2: Convert to fraction form
    290,304,027.60/435,456,041.40 = 162,636,622.80/x
  3. Step 3: Cross multiply
    290,304,027.60x = 435,456,041.40 × 162,636,622.80
  4. Step 4: Simplify right side
    290,304,027.60x = 70,821,099,951,152,984
  5. Step 5: Solve for x
    x = 70,821,099,951,152,984/290,304,027.60
  6. Step 6: Final answer
    x = 243,954,934.20

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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.