Home / 186,989,000.30-280,483,500.45-83,358,005.30

Finding the Fourth Proportional to 186,989,000.30, 280,483,500.45 and 83,358,005.30

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Solution

The fourth proportional to 186,989,000.30, 280,483,500.45 and 83,358,005.30 is: 125,037,007.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,989,000.30 : 280,483,500.45 = 83,358,005.30 : x
  2. Step 2: Convert to fraction form
    186,989,000.30/280,483,500.45 = 83,358,005.30/x
  3. Step 3: Cross multiply
    186,989,000.30x = 280,483,500.45 × 83,358,005.30
  4. Step 4: Simplify right side
    186,989,000.30x = 23,380,545,117,073,652
  5. Step 5: Solve for x
    x = 23,380,545,117,073,652/186,989,000.30
  6. Step 6: Final answer
    x = 125,037,007.95

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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.