Home / 187,203,489.30-258,353,899.65-104,704,898.58

Finding the Fourth Proportional to 187,203,489.30, 258,353,899.65 and 104,704,898.58

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Solution

The fourth proportional to 187,203,489.30, 258,353,899.65 and 104,704,898.58 is: 144,500,078.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,203,489.30 : 258,353,899.65 = 104,704,898.58 : x
  2. Step 2: Convert to fraction form
    187,203,489.30/258,353,899.65 = 104,704,898.58/x
  3. Step 3: Cross multiply
    187,203,489.30x = 258,353,899.65 × 104,704,898.58
  4. Step 4: Simplify right side
    187,203,489.30x = 27,050,918,860,600,748
  5. Step 5: Solve for x
    x = 27,050,918,860,600,748/187,203,489.30
  6. Step 6: Final answer
    x = 144,500,078.29

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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.