Home / 438,055,219.40-657,082,829.10-114,971,750.60

Finding the Fourth Proportional to 438,055,219.40, 657,082,829.10 and 114,971,750.60

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Solution

The fourth proportional to 438,055,219.40, 657,082,829.10 and 114,971,750.60 is: 172,457,625.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,055,219.40 : 657,082,829.10 = 114,971,750.60 : x
  2. Step 2: Convert to fraction form
    438,055,219.40/657,082,829.10 = 114,971,750.60/x
  3. Step 3: Cross multiply
    438,055,219.40x = 657,082,829.10 × 114,971,750.60
  4. Step 4: Simplify right side
    438,055,219.40x = 75,545,963,150,827,616
  5. Step 5: Solve for x
    x = 75,545,963,150,827,616/438,055,219.40
  6. Step 6: Final answer
    x = 172,457,625.90

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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.