Home / 305,895,302.40-458,842,536.64-142,043,460.48

Finding the Fourth Proportional to 305,895,302.40, 458,842,536.64 and 142,043,460.48

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Solution

The fourth proportional to 305,895,302.40, 458,842,536.64 and 142,043,460.48 is: 213,064,997.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,895,302.40 : 458,842,536.64 = 142,043,460.48 : x
  2. Step 2: Convert to fraction form
    305,895,302.40/458,842,536.64 = 142,043,460.48/x
  3. Step 3: Cross multiply
    305,895,302.40x = 458,842,536.64 × 142,043,460.48
  4. Step 4: Simplify right side
    305,895,302.40x = 65,175,581,719,766,784
  5. Step 5: Solve for x
    x = 65,175,581,719,766,784/305,895,302.40
  6. Step 6: Final answer
    x = 213,064,997.10

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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.