Home / 249,620,189.85-344,477,042.67-139,611,902.85

Finding the Fourth Proportional to 249,620,189.85, 344,477,042.67 and 139,611,902.85

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Solution

The fourth proportional to 249,620,189.85, 344,477,042.67 and 139,611,902.85 is: 192,665,086.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,620,189.85 : 344,477,042.67 = 139,611,902.85 : x
  2. Step 2: Convert to fraction form
    249,620,189.85/344,477,042.67 = 139,611,902.85/x
  3. Step 3: Cross multiply
    249,620,189.85x = 344,477,042.67 × 139,611,902.85
  4. Step 4: Simplify right side
    249,620,189.85x = 48,093,095,415,299,344
  5. Step 5: Solve for x
    x = 48,093,095,415,299,344/249,620,189.85
  6. Step 6: Final answer
    x = 192,665,086.28

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1.5x scale

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.