Home / 186,989,000.80-280,483,501.20-83,358,005.80

Finding the Fourth Proportional to 186,989,000.80, 280,483,501.20 and 83,358,005.80

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Solution

The fourth proportional to 186,989,000.80, 280,483,501.20 and 83,358,005.80 is: 125,037,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,989,000.80 : 280,483,501.20 = 83,358,005.80 : x
  2. Step 2: Convert to fraction form
    186,989,000.80/280,483,501.20 = 83,358,005.80/x
  3. Step 3: Cross multiply
    186,989,000.80x = 280,483,501.20 × 83,358,005.80
  4. Step 4: Simplify right side
    186,989,000.80x = 23,380,545,319,833,904
  5. Step 5: Solve for x
    x = 23,380,545,319,833,904/186,989,000.80
  6. Step 6: Final answer
    x = 125,037,008.70

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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.