Home / 290,468,185.31-435,702,011.76-91,048,903.52

Finding the Fourth Proportional to 290,468,185.31, 435,702,011.76 and 91,048,903.52

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Solution

The fourth proportional to 290,468,185.31, 435,702,011.76 and 91,048,903.52 is: 136,573,271.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,468,185.31 : 435,702,011.76 = 91,048,903.52 : x
  2. Step 2: Convert to fraction form
    290,468,185.31/435,702,011.76 = 91,048,903.52/x
  3. Step 3: Cross multiply
    290,468,185.31x = 435,702,011.76 × 91,048,903.52
  4. Step 4: Simplify right side
    290,468,185.31x = 39,670,190,432,221,696
  5. Step 5: Solve for x
    x = 39,670,190,432,221,696/290,468,185.31
  6. Step 6: Final answer
    x = 136,573,271.84

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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.