Home / 155,520,053.20-233,280,079.80-87,364,968.40

Finding the Fourth Proportional to 155,520,053.20, 233,280,079.80 and 87,364,968.40

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Solution

The fourth proportional to 155,520,053.20, 233,280,079.80 and 87,364,968.40 is: 131,047,452.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,520,053.20 : 233,280,079.80 = 87,364,968.40 : x
  2. Step 2: Convert to fraction form
    155,520,053.20/233,280,079.80 = 87,364,968.40/x
  3. Step 3: Cross multiply
    155,520,053.20x = 233,280,079.80 × 87,364,968.40
  4. Step 4: Simplify right side
    155,520,053.20x = 20,380,506,800,076,480
  5. Step 5: Solve for x
    x = 20,380,506,800,076,480/155,520,053.20
  6. Step 6: Final answer
    x = 131,047,452.60

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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.