Home / 249,128,304.03-343,790,396.15-137,616,744.92

Finding the Fourth Proportional to 249,128,304.03, 343,790,396.15 and 137,616,744.92

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Solution

The fourth proportional to 249,128,304.03, 343,790,396.15 and 137,616,744.92 is: 189,907,427.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,128,304.03 : 343,790,396.15 = 137,616,744.92 : x
  2. Step 2: Convert to fraction form
    249,128,304.03/343,790,396.15 = 137,616,744.92/x
  3. Step 3: Cross multiply
    249,128,304.03x = 343,790,396.15 × 137,616,744.92
  4. Step 4: Simplify right side
    249,128,304.03x = 47,311,315,250,513,256
  5. Step 5: Solve for x
    x = 47,311,315,250,513,256/249,128,304.03
  6. Step 6: Final answer
    x = 189,907,427.16

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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.