Home / 129,358,946,187.20-194,038,419,280.80-89,306,151,204.80

Finding the Fourth Proportional to 129,358,946,187.20, 194,038,419,280.80 and 89,306,151,204.80

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Solution

The fourth proportional to 129,358,946,187.20, 194,038,419,280.80 and 89,306,151,204.80 is: 133,959,226,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,358,946,187.20 : 194,038,419,280.80 = 89,306,151,204.80 : x
  2. Step 2: Convert to fraction form
    129,358,946,187.20/194,038,419,280.80 = 89,306,151,204.80/x
  3. Step 3: Cross multiply
    129,358,946,187.20x = 194,038,419,280.80 × 89,306,151,204.80
  4. Step 4: Simplify right side
    129,358,946,187.20x = 17,328,824,411,831,503,159,296
  5. Step 5: Solve for x
    x = 17,328,824,411,831,503,159,296/129,358,946,187.20
  6. Step 6: Final answer
    x = 133,959,226,807.20

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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.