Home / 314,757,986.40-472,136,979.60-99,347,234.40

Finding the Fourth Proportional to 314,757,986.40, 472,136,979.60 and 99,347,234.40

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Solution

The fourth proportional to 314,757,986.40, 472,136,979.60 and 99,347,234.40 is: 149,020,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,757,986.40 : 472,136,979.60 = 99,347,234.40 : x
  2. Step 2: Convert to fraction form
    314,757,986.40/472,136,979.60 = 99,347,234.40/x
  3. Step 3: Cross multiply
    314,757,986.40x = 472,136,979.60 × 99,347,234.40
  4. Step 4: Simplify right side
    314,757,986.40x = 46,905,503,181,229,224
  5. Step 5: Solve for x
    x = 46,905,503,181,229,224/314,757,986.40
  6. Step 6: Final answer
    x = 149,020,851.60

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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.