Home / 310,316,898-465,477,679.80-137,747,318.16

Finding the Fourth Proportional to 310,316,898, 465,477,679.80 and 137,747,318.16

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Solution

The fourth proportional to 310,316,898, 465,477,679.80 and 137,747,318.16 is: 206,622,012.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,316,898 : 465,477,679.80 = 137,747,318.16 : x
  2. Step 2: Convert to fraction form
    310,316,898/465,477,679.80 = 137,747,318.16/x
  3. Step 3: Cross multiply
    310,316,898x = 465,477,679.80 × 137,747,318.16
  4. Step 4: Simplify right side
    310,316,898x = 64,118,302,055,789,208
  5. Step 5: Solve for x
    x = 64,118,302,055,789,208/310,316,898
  6. Step 6: Final answer
    x = 206,622,012.75

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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.