Home / 194,169,790.10-291,254,685.15-117,977,431.70

Finding the Fourth Proportional to 194,169,790.10, 291,254,685.15 and 117,977,431.70

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Solution

The fourth proportional to 194,169,790.10, 291,254,685.15 and 117,977,431.70 is: 176,966,147.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,169,790.10 : 291,254,685.15 = 117,977,431.70 : x
  2. Step 2: Convert to fraction form
    194,169,790.10/291,254,685.15 = 117,977,431.70/x
  3. Step 3: Cross multiply
    194,169,790.10x = 291,254,685.15 × 117,977,431.70
  4. Step 4: Simplify right side
    194,169,790.10x = 34,361,479,724,589,128
  5. Step 5: Solve for x
    x = 34,361,479,724,589,128/194,169,790.10
  6. Step 6: Final answer
    x = 176,966,147.55

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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.