Home / 308,098,471.63-425,186,173.30-168,869,590.15

Finding the Fourth Proportional to 308,098,471.63, 425,186,173.30 and 168,869,590.15

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Solution

The fourth proportional to 308,098,471.63, 425,186,173.30 and 168,869,590.15 is: 233,045,670.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,098,471.63 : 425,186,173.30 = 168,869,590.15 : x
  2. Step 2: Convert to fraction form
    308,098,471.63/425,186,173.30 = 168,869,590.15/x
  3. Step 3: Cross multiply
    308,098,471.63x = 425,186,173.30 × 168,869,590.15
  4. Step 4: Simplify right side
    308,098,471.63x = 71,801,014,822,617,880
  5. Step 5: Solve for x
    x = 71,801,014,822,617,880/308,098,471.63
  6. Step 6: Final answer
    x = 233,045,670.25

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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.