Home / 151,552,905.85-209,143,051.73-83,658,065.14

Finding the Fourth Proportional to 151,552,905.85, 209,143,051.73 and 83,658,065.14

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Solution

The fourth proportional to 151,552,905.85, 209,143,051.73 and 83,658,065.14 is: 115,448,152.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,552,905.85 : 209,143,051.73 = 83,658,065.14 : x
  2. Step 2: Convert to fraction form
    151,552,905.85/209,143,051.73 = 83,658,065.14/x
  3. Step 3: Cross multiply
    151,552,905.85x = 209,143,051.73 × 83,658,065.14
  4. Step 4: Simplify right side
    151,552,905.85x = 17,496,503,045,206,728
  5. Step 5: Solve for x
    x = 17,496,503,045,206,728/151,552,905.85
  6. Step 6: Final answer
    x = 115,448,152.89

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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.