Home / 312,039,397.20-468,059,095.80-158,984,389.20

Finding the Fourth Proportional to 312,039,397.20, 468,059,095.80 and 158,984,389.20

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Solution

The fourth proportional to 312,039,397.20, 468,059,095.80 and 158,984,389.20 is: 238,476,583.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,039,397.20 : 468,059,095.80 = 158,984,389.20 : x
  2. Step 2: Convert to fraction form
    312,039,397.20/468,059,095.80 = 158,984,389.20/x
  3. Step 3: Cross multiply
    312,039,397.20x = 468,059,095.80 × 158,984,389.20
  4. Step 4: Simplify right side
    312,039,397.20x = 74,414,089,455,267,280
  5. Step 5: Solve for x
    x = 74,414,089,455,267,280/312,039,397.20
  6. Step 6: Final answer
    x = 238,476,583.80

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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.