Home / 186,948,309.60-280,422,464.40-155,097,813.60

Finding the Fourth Proportional to 186,948,309.60, 280,422,464.40 and 155,097,813.60

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Solution

The fourth proportional to 186,948,309.60, 280,422,464.40 and 155,097,813.60 is: 232,646,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,948,309.60 : 280,422,464.40 = 155,097,813.60 : x
  2. Step 2: Convert to fraction form
    186,948,309.60/280,422,464.40 = 155,097,813.60/x
  3. Step 3: Cross multiply
    186,948,309.60x = 280,422,464.40 × 155,097,813.60
  4. Step 4: Simplify right side
    186,948,309.60x = 43,492,911,112,763,832
  5. Step 5: Solve for x
    x = 43,492,911,112,763,832/186,948,309.60
  6. Step 6: Final answer
    x = 232,646,720.40

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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.