Home / 286,143,692.55-429,215,538.83-70,732,940.55

Finding the Fourth Proportional to 286,143,692.55, 429,215,538.83 and 70,732,940.55

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Solution

The fourth proportional to 286,143,692.55, 429,215,538.83 and 70,732,940.55 is: 106,099,410.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,143,692.55 : 429,215,538.83 = 70,732,940.55 : x
  2. Step 2: Convert to fraction form
    286,143,692.55/429,215,538.83 = 70,732,940.55/x
  3. Step 3: Cross multiply
    286,143,692.55x = 429,215,538.83 × 70,732,940.55
  4. Step 4: Simplify right side
    286,143,692.55x = 30,359,677,190,844,940
  5. Step 5: Solve for x
    x = 30,359,677,190,844,940/286,143,692.55
  6. Step 6: Final answer
    x = 106,099,410.83

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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.