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Finding the Fourth Proportional to 59,876,692.60, 89,815,038.90 and 57,525,230.20

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Solution

The fourth proportional to 59,876,692.60, 89,815,038.90 and 57,525,230.20 is: 86,287,845.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,876,692.60 : 89,815,038.90 = 57,525,230.20 : x
  2. Step 2: Convert to fraction form
    59,876,692.60/89,815,038.90 = 57,525,230.20/x
  3. Step 3: Cross multiply
    59,876,692.60x = 89,815,038.90 × 57,525,230.20
  4. Step 4: Simplify right side
    59,876,692.60x = 5,166,630,788,144,455
  5. Step 5: Solve for x
    x = 5,166,630,788,144,455/59,876,692.60
  6. Step 6: Final answer
    x = 86,287,845.30

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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.