Home / 310,317,435-465,478,485.84-137,747,855.16

Finding the Fourth Proportional to 310,317,435, 465,478,485.84 and 137,747,855.16

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Solution

The fourth proportional to 310,317,435, 465,478,485.84 and 137,747,855.16 is: 206,622,818.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,317,435 : 465,478,485.84 = 137,747,855.16 : x
  2. Step 2: Convert to fraction form
    310,317,435/465,478,485.84 = 137,747,855.16/x
  3. Step 3: Cross multiply
    310,317,435x = 465,478,485.84 × 137,747,855.16
  4. Step 4: Simplify right side
    310,317,435x = 64,118,663,047,584,424
  5. Step 5: Solve for x
    x = 64,118,663,047,584,424/310,317,435
  6. Step 6: Final answer
    x = 206,622,818.49

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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.