Home / 190,915,507.40-263,454,905.27-111,537,929.60

Finding the Fourth Proportional to 190,915,507.40, 263,454,905.27 and 111,537,929.60

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Solution

The fourth proportional to 190,915,507.40, 263,454,905.27 and 111,537,929.60 is: 153,917,379.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,915,507.40 : 263,454,905.27 = 111,537,929.60 : x
  2. Step 2: Convert to fraction form
    190,915,507.40/263,454,905.27 = 111,537,929.60/x
  3. Step 3: Cross multiply
    190,915,507.40x = 263,454,905.27 × 111,537,929.60
  4. Step 4: Simplify right side
    190,915,507.40x = 29,385,214,676,779,928
  5. Step 5: Solve for x
    x = 29,385,214,676,779,928/190,915,507.40
  6. Step 6: Final answer
    x = 153,917,379.88

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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.