Home / 52,698,056.69-79,069,692.54-20,372,658.50

Finding the Fourth Proportional to 52,698,056.69, 79,069,692.54 and 20,372,658.50

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Solution

The fourth proportional to 52,698,056.69, 79,069,692.54 and 20,372,658.50 is: 30,567,727.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,698,056.69 : 79,069,692.54 = 20,372,658.50 : x
  2. Step 2: Convert to fraction form
    52,698,056.69/79,069,692.54 = 20,372,658.50/x
  3. Step 3: Cross multiply
    52,698,056.69x = 79,069,692.54 × 20,372,658.50
  4. Step 4: Simplify right side
    52,698,056.69x = 1,610,859,843,817,417.75
  5. Step 5: Solve for x
    x = 1,610,859,843,817,417.75/52,698,056.69
  6. Step 6: Final answer
    x = 30,567,727.64

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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.