Home / 186,989,014.80-280,483,522.20-173,384,125.20

Finding the Fourth Proportional to 186,989,014.80, 280,483,522.20 and 173,384,125.20

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Solution

The fourth proportional to 186,989,014.80, 280,483,522.20 and 173,384,125.20 is: 260,076,187.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,989,014.80 : 280,483,522.20 = 173,384,125.20 : x
  2. Step 2: Convert to fraction form
    186,989,014.80/280,483,522.20 = 173,384,125.20/x
  3. Step 3: Cross multiply
    186,989,014.80x = 280,483,522.20 × 173,384,125.20
  4. Step 4: Simplify right side
    186,989,014.80x = 48,631,390,129,661,776
  5. Step 5: Solve for x
    x = 48,631,390,129,661,776/186,989,014.80
  6. Step 6: Final answer
    x = 260,076,187.80

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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.