Home / 75,732,467.40-104,520,010.10-42,699,078.99

Finding the Fourth Proportional to 75,732,467.40, 104,520,010.10 and 42,699,078.99

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Solution

The fourth proportional to 75,732,467.40, 104,520,010.10 and 42,699,078.99 is: 58,929,918.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,732,467.40 : 104,520,010.10 = 42,699,078.99 : x
  2. Step 2: Convert to fraction form
    75,732,467.40/104,520,010.10 = 42,699,078.99/x
  3. Step 3: Cross multiply
    75,732,467.40x = 104,520,010.10 × 42,699,078.99
  4. Step 4: Simplify right side
    75,732,467.40x = 4,462,908,167,082,002.50
  5. Step 5: Solve for x
    x = 4,462,908,167,082,002.50/75,732,467.40
  6. Step 6: Final answer
    x = 58,929,918.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.