Home / 42,768,311.20-64,152,466.80-41,918,005.60

Finding the Fourth Proportional to 42,768,311.20, 64,152,466.80 and 41,918,005.60

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Solution

The fourth proportional to 42,768,311.20, 64,152,466.80 and 41,918,005.60 is: 62,877,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,311.20 : 64,152,466.80 = 41,918,005.60 : x
  2. Step 2: Convert to fraction form
    42,768,311.20/64,152,466.80 = 41,918,005.60/x
  3. Step 3: Cross multiply
    42,768,311.20x = 64,152,466.80 × 41,918,005.60
  4. Step 4: Simplify right side
    42,768,311.20x = 2,689,143,462,576,214
  5. Step 5: Solve for x
    x = 2,689,143,462,576,214/42,768,311.20
  6. Step 6: Final answer
    x = 62,877,008.40

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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.