Home / 155,520,089.20-233,280,133.80-87,365,004.40

Finding the Fourth Proportional to 155,520,089.20, 233,280,133.80 and 87,365,004.40

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Solution

The fourth proportional to 155,520,089.20, 233,280,133.80 and 87,365,004.40 is: 131,047,506.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,520,089.20 : 233,280,133.80 = 87,365,004.40 : x
  2. Step 2: Convert to fraction form
    155,520,089.20/233,280,133.80 = 87,365,004.40/x
  3. Step 3: Cross multiply
    155,520,089.20x = 233,280,133.80 × 87,365,004.40
  4. Step 4: Simplify right side
    155,520,089.20x = 20,380,519,915,869,592
  5. Step 5: Solve for x
    x = 20,380,519,915,869,592/155,520,089.20
  6. Step 6: Final answer
    x = 131,047,506.60

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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.