Home / 310,032,653.80-465,048,980.70-137,845,769.80

Finding the Fourth Proportional to 310,032,653.80, 465,048,980.70 and 137,845,769.80

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Solution

The fourth proportional to 310,032,653.80, 465,048,980.70 and 137,845,769.80 is: 206,768,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,032,653.80 : 465,048,980.70 = 137,845,769.80 : x
  2. Step 2: Convert to fraction form
    310,032,653.80/465,048,980.70 = 137,845,769.80/x
  3. Step 3: Cross multiply
    310,032,653.80x = 465,048,980.70 × 137,845,769.80
  4. Step 4: Simplify right side
    310,032,653.80x = 64,105,034,739,296,848
  5. Step 5: Solve for x
    x = 64,105,034,739,296,848/310,032,653.80
  6. Step 6: Final answer
    x = 206,768,654.70

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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.