Home / 310,032,653.30-465,048,979.95-137,845,769.30

Finding the Fourth Proportional to 310,032,653.30, 465,048,979.95 and 137,845,769.30

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Solution

The fourth proportional to 310,032,653.30, 465,048,979.95 and 137,845,769.30 is: 206,768,653.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,032,653.30 : 465,048,979.95 = 137,845,769.30 : x
  2. Step 2: Convert to fraction form
    310,032,653.30/465,048,979.95 = 137,845,769.30/x
  3. Step 3: Cross multiply
    310,032,653.30x = 465,048,979.95 × 137,845,769.30
  4. Step 4: Simplify right side
    310,032,653.30x = 64,105,034,403,388,032
  5. Step 5: Solve for x
    x = 64,105,034,403,388,032/310,032,653.30
  6. Step 6: Final answer
    x = 206,768,653.95

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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.