Home / 245,599,887.40-339,080,802.92-156,342,194.02

Finding the Fourth Proportional to 245,599,887.40, 339,080,802.92 and 156,342,194.02

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Solution

The fourth proportional to 245,599,887.40, 339,080,802.92 and 156,342,194.02 is: 215,849,596.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,599,887.40 : 339,080,802.92 = 156,342,194.02 : x
  2. Step 2: Convert to fraction form
    245,599,887.40/339,080,802.92 = 156,342,194.02/x
  3. Step 3: Cross multiply
    245,599,887.40x = 339,080,802.92 × 156,342,194.02
  4. Step 4: Simplify right side
    245,599,887.40x = 53,012,636,678,576,032
  5. Step 5: Solve for x
    x = 53,012,636,678,576,032/245,599,887.40
  6. Step 6: Final answer
    x = 215,849,596.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.