Home / 307,898,869.89-424,897,058.47-166,766,581.56

Finding the Fourth Proportional to 307,898,869.89, 424,897,058.47 and 166,766,581.56

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Solution

The fourth proportional to 307,898,869.89, 424,897,058.47 and 166,766,581.56 is: 230,136,050.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,898,869.89 : 424,897,058.47 = 166,766,581.56 : x
  2. Step 2: Convert to fraction form
    307,898,869.89/424,897,058.47 = 166,766,581.56/x
  3. Step 3: Cross multiply
    307,898,869.89x = 424,897,058.47 × 166,766,581.56
  4. Step 4: Simplify right side
    307,898,869.89x = 70,858,629,955,941,352
  5. Step 5: Solve for x
    x = 70,858,629,955,941,352/307,898,869.89
  6. Step 6: Final answer
    x = 230,136,050.78

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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.