Home / 186,989,337.60-280,484,006.40-109,505,239.80

Finding the Fourth Proportional to 186,989,337.60, 280,484,006.40 and 109,505,239.80

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Solution

The fourth proportional to 186,989,337.60, 280,484,006.40 and 109,505,239.80 is: 164,257,859.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,989,337.60 : 280,484,006.40 = 109,505,239.80 : x
  2. Step 2: Convert to fraction form
    186,989,337.60/280,484,006.40 = 109,505,239.80/x
  3. Step 3: Cross multiply
    186,989,337.60x = 280,484,006.40 × 109,505,239.80
  4. Step 4: Simplify right side
    186,989,337.60x = 30,714,468,380,896,732
  5. Step 5: Solve for x
    x = 30,714,468,380,896,732/186,989,337.60
  6. Step 6: Final answer
    x = 164,257,859.70

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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.