Home / 75,788,135.34-104,581,308.51-42,746,563.50

Finding the Fourth Proportional to 75,788,135.34, 104,581,308.51 and 42,746,563.50

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Solution

The fourth proportional to 75,788,135.34, 104,581,308.51 and 42,746,563.50 is: 58,986,693.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,788,135.34 : 104,581,308.51 = 42,746,563.50 : x
  2. Step 2: Convert to fraction form
    75,788,135.34/104,581,308.51 = 42,746,563.50/x
  3. Step 3: Cross multiply
    75,788,135.34x = 104,581,308.51 × 42,746,563.50
  4. Step 4: Simplify right side
    75,788,135.34x = 4,470,491,545,135,805.50
  5. Step 5: Solve for x
    x = 4,470,491,545,135,805.50/75,788,135.34
  6. Step 6: Final answer
    x = 58,986,693.96

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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.