Home / 249,801,457-344,762,086.78-143,934,604.06

Finding the Fourth Proportional to 249,801,457, 344,762,086.78 and 143,934,604.06

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Solution

The fourth proportional to 249,801,457, 344,762,086.78 and 143,934,604.06 is: 198,650,540.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,801,457 : 344,762,086.78 = 143,934,604.06 : x
  2. Step 2: Convert to fraction form
    249,801,457/344,762,086.78 = 143,934,604.06/x
  3. Step 3: Cross multiply
    249,801,457x = 344,762,086.78 × 143,934,604.06
  4. Step 4: Simplify right side
    249,801,457x = 49,623,194,455,578,656
  5. Step 5: Solve for x
    x = 49,623,194,455,578,656/249,801,457
  6. Step 6: Final answer
    x = 198,650,540.52

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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.