Home / 263,811,780.52-395,721,038.45-69,721,518.85

Finding the Fourth Proportional to 263,811,780.52, 395,721,038.45 and 69,721,518.85

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Solution

The fourth proportional to 263,811,780.52, 395,721,038.45 and 69,721,518.85 is: 104,583,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,811,780.52 : 395,721,038.45 = 69,721,518.85 : x
  2. Step 2: Convert to fraction form
    263,811,780.52/395,721,038.45 = 69,721,518.85/x
  3. Step 3: Cross multiply
    263,811,780.52x = 395,721,038.45 × 69,721,518.85
  4. Step 4: Simplify right side
    263,811,780.52x = 27,590,271,840,818,248
  5. Step 5: Solve for x
    x = 27,590,271,840,818,248/263,811,780.52
  6. Step 6: Final answer
    x = 104,583,168.30

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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.