Home / 370,177,770.80-555,329,082.45-124,475,999.30

Finding the Fourth Proportional to 370,177,770.80, 555,329,082.45 and 124,475,999.30

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Solution

The fourth proportional to 370,177,770.80, 555,329,082.45 and 124,475,999.30 is: 186,734,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,177,770.80 : 555,329,082.45 = 124,475,999.30 : x
  2. Step 2: Convert to fraction form
    370,177,770.80/555,329,082.45 = 124,475,999.30/x
  3. Step 3: Cross multiply
    370,177,770.80x = 555,329,082.45 × 124,475,999.30
  4. Step 4: Simplify right side
    370,177,770.80x = 69,125,142,477,391,408
  5. Step 5: Solve for x
    x = 69,125,142,477,391,408/370,177,770.80
  6. Step 6: Final answer
    x = 186,734,990.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.