Home / 186,603,127.20-279,904,690.80-118,746,640.80

Finding the Fourth Proportional to 186,603,127.20, 279,904,690.80 and 118,746,640.80

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Solution

The fourth proportional to 186,603,127.20, 279,904,690.80 and 118,746,640.80 is: 178,119,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,603,127.20 : 279,904,690.80 = 118,746,640.80 : x
  2. Step 2: Convert to fraction form
    186,603,127.20/279,904,690.80 = 118,746,640.80/x
  3. Step 3: Cross multiply
    186,603,127.20x = 279,904,690.80 × 118,746,640.80
  4. Step 4: Simplify right side
    186,603,127.20x = 33,237,741,776,662,664
  5. Step 5: Solve for x
    x = 33,237,741,776,662,664/186,603,127.20
  6. Step 6: Final answer
    x = 178,119,961.20

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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.