Home / 249,747,285.11-344,643,771.30-138,242,696.45

Finding the Fourth Proportional to 249,747,285.11, 344,643,771.30 and 138,242,696.45

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Solution

The fourth proportional to 249,747,285.11, 344,643,771.30 and 138,242,696.45 is: 190,770,779.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,747,285.11 : 344,643,771.30 = 138,242,696.45 : x
  2. Step 2: Convert to fraction form
    249,747,285.11/344,643,771.30 = 138,242,696.45/x
  3. Step 3: Cross multiply
    249,747,285.11x = 344,643,771.30 × 138,242,696.45
  4. Step 4: Simplify right side
    249,747,285.11x = 47,644,484,257,485,904
  5. Step 5: Solve for x
    x = 47,644,484,257,485,904/249,747,285.11
  6. Step 6: Final answer
    x = 190,770,779.50

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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.