Home / 148,579,901.34-205,040,263.68-83,389,805.34

Finding the Fourth Proportional to 148,579,901.34, 205,040,263.68 and 83,389,805.34

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Solution

The fourth proportional to 148,579,901.34, 205,040,263.68 and 83,389,805.34 is: 115,077,931.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,579,901.34 : 205,040,263.68 = 83,389,805.34 : x
  2. Step 2: Convert to fraction form
    148,579,901.34/205,040,263.68 = 83,389,805.34/x
  3. Step 3: Cross multiply
    148,579,901.34x = 205,040,263.68 × 83,389,805.34
  4. Step 4: Simplify right side
    148,579,901.34x = 17,098,267,675,137,474
  5. Step 5: Solve for x
    x = 17,098,267,675,137,474/148,579,901.34
  6. Step 6: Final answer
    x = 115,077,931.27

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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.