Home / 112,623,999.93-155,421,119.93-61,115,775.93

Finding the Fourth Proportional to 112,623,999.93, 155,421,119.93 and 61,115,775.93

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Solution

The fourth proportional to 112,623,999.93, 155,421,119.93 and 61,115,775.93 is: 84,339,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,623,999.93 : 155,421,119.93 = 61,115,775.93 : x
  2. Step 2: Convert to fraction form
    112,623,999.93/155,421,119.93 = 61,115,775.93/x
  3. Step 3: Cross multiply
    112,623,999.93x = 155,421,119.93 × 61,115,775.93
  4. Step 4: Simplify right side
    112,623,999.93x = 9,498,682,340,125,960
  5. Step 5: Solve for x
    x = 9,498,682,340,125,960/112,623,999.93
  6. Step 6: Final answer
    x = 84,339,770.80

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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.