Home / 290,070,379.89-434,843,087.76-105,794,652.42

Finding the Fourth Proportional to 290,070,379.89, 434,843,087.76 and 105,794,652.42

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Solution

The fourth proportional to 290,070,379.89, 434,843,087.76 and 105,794,652.42 is: 158,596,246.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,070,379.89 : 434,843,087.76 = 105,794,652.42 : x
  2. Step 2: Convert to fraction form
    290,070,379.89/434,843,087.76 = 105,794,652.42/x
  3. Step 3: Cross multiply
    290,070,379.89x = 434,843,087.76 × 105,794,652.42
  4. Step 4: Simplify right side
    290,070,379.89x = 46,004,073,326,808,760
  5. Step 5: Solve for x
    x = 46,004,073,326,808,760/290,070,379.89
  6. Step 6: Final answer
    x = 158,596,246.00

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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.