Home / 155,280,377.80-232,722,752.55-82,532,009.80

Finding the Fourth Proportional to 155,280,377.80, 232,722,752.55 and 82,532,009.80

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Solution

The fourth proportional to 155,280,377.80, 232,722,752.55 and 82,532,009.80 is: 123,692,875.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,280,377.80 : 232,722,752.55 = 82,532,009.80 : x
  2. Step 2: Convert to fraction form
    155,280,377.80/232,722,752.55 = 82,532,009.80/x
  3. Step 3: Cross multiply
    155,280,377.80x = 232,722,752.55 × 82,532,009.80
  4. Step 4: Simplify right side
    155,280,377.80x = 19,207,076,494,139,576
  5. Step 5: Solve for x
    x = 19,207,076,494,139,576/155,280,377.80
  6. Step 6: Final answer
    x = 123,692,875.86

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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.