Home / 80,781,474,554.40-121,114,880,938.80-31,075,590,496.80

Finding the Fourth Proportional to 80,781,474,554.40, 121,114,880,938.80 and 31,075,590,496.80

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Solution

The fourth proportional to 80,781,474,554.40, 121,114,880,938.80 and 31,075,590,496.80 is: 46,591,331,290.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,781,474,554.40 : 121,114,880,938.80 = 31,075,590,496.80 : x
  2. Step 2: Convert to fraction form
    80,781,474,554.40/121,114,880,938.80 = 31,075,590,496.80/x
  3. Step 3: Cross multiply
    80,781,474,554.40x = 121,114,880,938.80 × 31,075,590,496.80
  4. Step 4: Simplify right side
    80,781,474,554.40x = 3,763,716,443,122,836,701,184
  5. Step 5: Solve for x
    x = 3,763,716,443,122,836,701,184/80,781,474,554.40
  6. Step 6: Final answer
    x = 46,591,331,290.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.