Home / 307,875,860.88-424,868,783.40-168,651,635.28

Finding the Fourth Proportional to 307,875,860.88, 424,868,783.40 and 168,651,635.28

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Solution

The fourth proportional to 307,875,860.88, 424,868,783.40 and 168,651,635.28 is: 232,739,308.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,875,860.88 : 424,868,783.40 = 168,651,635.28 : x
  2. Step 2: Convert to fraction form
    307,875,860.88/424,868,783.40 = 168,651,635.28/x
  3. Step 3: Cross multiply
    307,875,860.88x = 424,868,783.40 × 168,651,635.28
  4. Step 4: Simplify right side
    307,875,860.88x = 71,654,815,099,834,112
  5. Step 5: Solve for x
    x = 71,654,815,099,834,112/307,875,860.88
  6. Step 6: Final answer
    x = 232,739,308.94

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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.