Home / 231,833,875.20-347,750,812.80-214,316,102.40

Finding the Fourth Proportional to 231,833,875.20, 347,750,812.80 and 214,316,102.40

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Solution

The fourth proportional to 231,833,875.20, 347,750,812.80 and 214,316,102.40 is: 321,474,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,833,875.20 : 347,750,812.80 = 214,316,102.40 : x
  2. Step 2: Convert to fraction form
    231,833,875.20/347,750,812.80 = 214,316,102.40/x
  3. Step 3: Cross multiply
    231,833,875.20x = 347,750,812.80 × 214,316,102.40
  4. Step 4: Simplify right side
    231,833,875.20x = 74,528,598,805,728,032
  5. Step 5: Solve for x
    x = 74,528,598,805,728,032/231,833,875.20
  6. Step 6: Final answer
    x = 321,474,153.60

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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.