Home / 187,664,575.80-281,496,863.70-155,140,386.60

Finding the Fourth Proportional to 187,664,575.80, 281,496,863.70 and 155,140,386.60

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Solution

The fourth proportional to 187,664,575.80, 281,496,863.70 and 155,140,386.60 is: 232,710,579.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,664,575.80 : 281,496,863.70 = 155,140,386.60 : x
  2. Step 2: Convert to fraction form
    187,664,575.80/281,496,863.70 = 155,140,386.60/x
  3. Step 3: Cross multiply
    187,664,575.80x = 281,496,863.70 × 155,140,386.60
  4. Step 4: Simplify right side
    187,664,575.80x = 43,671,532,261,105,504
  5. Step 5: Solve for x
    x = 43,671,532,261,105,504/187,664,575.80
  6. Step 6: Final answer
    x = 232,710,579.90

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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.