Home / 140,273,486.55-193,583,389.73-78,393,823.29

Finding the Fourth Proportional to 140,273,486.55, 193,583,389.73 and 78,393,823.29

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Solution

The fourth proportional to 140,273,486.55, 193,583,389.73 and 78,393,823.29 is: 108,186,817.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,273,486.55 : 193,583,389.73 = 78,393,823.29 : x
  2. Step 2: Convert to fraction form
    140,273,486.55/193,583,389.73 = 78,393,823.29/x
  3. Step 3: Cross multiply
    140,273,486.55x = 193,583,389.73 × 78,393,823.29
  4. Step 4: Simplify right side
    140,273,486.55x = 15,175,742,045,980,852
  5. Step 5: Solve for x
    x = 15,175,742,045,980,852/140,273,486.55
  6. Step 6: Final answer
    x = 108,186,817.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.