Home / 291,079,975.60-436,619,963.40-145,536,000.40

Finding the Fourth Proportional to 291,079,975.60, 436,619,963.40 and 145,536,000.40

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Solution

The fourth proportional to 291,079,975.60, 436,619,963.40 and 145,536,000.40 is: 218,304,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,079,975.60 : 436,619,963.40 = 145,536,000.40 : x
  2. Step 2: Convert to fraction form
    291,079,975.60/436,619,963.40 = 145,536,000.40/x
  3. Step 3: Cross multiply
    291,079,975.60x = 436,619,963.40 × 145,536,000.40
  4. Step 4: Simplify right side
    291,079,975.60x = 63,543,923,168,030,384
  5. Step 5: Solve for x
    x = 63,543,923,168,030,384/291,079,975.60
  6. Step 6: Final answer
    x = 218,304,000.60

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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.