Home / 187,657,381.80-281,486,072.70-155,133,192.60

Finding the Fourth Proportional to 187,657,381.80, 281,486,072.70 and 155,133,192.60

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Solution

The fourth proportional to 187,657,381.80, 281,486,072.70 and 155,133,192.60 is: 232,699,788.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,657,381.80 : 281,486,072.70 = 155,133,192.60 : x
  2. Step 2: Convert to fraction form
    187,657,381.80/281,486,072.70 = 155,133,192.60/x
  3. Step 3: Cross multiply
    187,657,381.80x = 281,486,072.70 × 155,133,192.60
  4. Step 4: Simplify right side
    187,657,381.80x = 43,667,833,130,386,696
  5. Step 5: Solve for x
    x = 43,667,833,130,386,696/187,657,381.80
  6. Step 6: Final answer
    x = 232,699,788.90

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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.