Home / 249,747,284.60-344,643,770.62-138,242,695.94

Finding the Fourth Proportional to 249,747,284.60, 344,643,770.62 and 138,242,695.94

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Solution

The fourth proportional to 249,747,284.60, 344,643,770.62 and 138,242,695.94 is: 190,770,778.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,747,284.60 : 344,643,770.62 = 138,242,695.94 : x
  2. Step 2: Convert to fraction form
    249,747,284.60/344,643,770.62 = 138,242,695.94/x
  3. Step 3: Cross multiply
    249,747,284.60x = 344,643,770.62 × 138,242,695.94
  4. Step 4: Simplify right side
    249,747,284.60x = 47,644,483,989,435,768
  5. Step 5: Solve for x
    x = 47,644,483,989,435,768/249,747,284.60
  6. Step 6: Final answer
    x = 190,770,778.81

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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.