Home / 291,085,293.60-436,627,940.40-145,541,318.40

Finding the Fourth Proportional to 291,085,293.60, 436,627,940.40 and 145,541,318.40

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Solution

The fourth proportional to 291,085,293.60, 436,627,940.40 and 145,541,318.40 is: 218,311,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,085,293.60 : 436,627,940.40 = 145,541,318.40 : x
  2. Step 2: Convert to fraction form
    291,085,293.60/436,627,940.40 = 145,541,318.40/x
  3. Step 3: Cross multiply
    291,085,293.60x = 436,627,940.40 × 145,541,318.40
  4. Step 4: Simplify right side
    291,085,293.60x = 63,547,406,096,092,624
  5. Step 5: Solve for x
    x = 63,547,406,096,092,624/291,085,293.60
  6. Step 6: Final answer
    x = 218,311,977.60

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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.