Home / 148,734,841.40-205,259,065.52-82,658,124.67

Finding the Fourth Proportional to 148,734,841.40, 205,259,065.52 and 82,658,124.67

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Solution

The fourth proportional to 148,734,841.40, 205,259,065.52 and 82,658,124.67 is: 114,070,982.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,734,841.40 : 205,259,065.52 = 82,658,124.67 : x
  2. Step 2: Convert to fraction form
    148,734,841.40/205,259,065.52 = 82,658,124.67/x
  3. Step 3: Cross multiply
    148,734,841.40x = 205,259,065.52 × 82,658,124.67
  4. Step 4: Simplify right side
    148,734,841.40x = 16,966,329,427,399,860
  5. Step 5: Solve for x
    x = 16,966,329,427,399,860/148,734,841.40
  6. Step 6: Final answer
    x = 114,070,982.08

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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.