Home / 187,494,817.71-281,240,127.05-66,297,926.19

Finding the Fourth Proportional to 187,494,817.71, 281,240,127.05 and 66,297,926.19

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Solution

The fourth proportional to 187,494,817.71, 281,240,127.05 and 66,297,926.19 is: 99,446,146.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,494,817.71 : 281,240,127.05 = 66,297,926.19 : x
  2. Step 2: Convert to fraction form
    187,494,817.71/281,240,127.05 = 66,297,926.19/x
  3. Step 3: Cross multiply
    187,494,817.71x = 281,240,127.05 × 66,297,926.19
  4. Step 4: Simplify right side
    187,494,817.71x = 18,645,637,184,495,632
  5. Step 5: Solve for x
    x = 18,645,637,184,495,632/187,494,817.71
  6. Step 6: Final answer
    x = 99,446,146.90

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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.