Home / 249,275,346-343,993,640.04-139,267,885.20

Finding the Fourth Proportional to 249,275,346, 343,993,640.04 and 139,267,885.20

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Solution

The fourth proportional to 249,275,346, 343,993,640.04 and 139,267,885.20 is: 192,186,140.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,275,346 : 343,993,640.04 = 139,267,885.20 : x
  2. Step 2: Convert to fraction form
    249,275,346/343,993,640.04 = 139,267,885.20/x
  3. Step 3: Cross multiply
    249,275,346x = 343,993,640.04 × 139,267,885.20
  4. Step 4: Simplify right side
    249,275,346x = 47,907,266,770,620,840
  5. Step 5: Solve for x
    x = 47,907,266,770,620,840/249,275,346
  6. Step 6: Final answer
    x = 192,186,140.91

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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.