Home / 112,623,917.56-155,421,006.18-61,115,693.56

Finding the Fourth Proportional to 112,623,917.56, 155,421,006.18 and 61,115,693.56

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Solution

The fourth proportional to 112,623,917.56, 155,421,006.18 and 61,115,693.56 is: 84,339,657.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,623,917.56 : 155,421,006.18 = 61,115,693.56 : x
  2. Step 2: Convert to fraction form
    112,623,917.56/155,421,006.18 = 61,115,693.56/x
  3. Step 3: Cross multiply
    112,623,917.56x = 155,421,006.18 × 61,115,693.56
  4. Step 4: Simplify right side
    112,623,917.56x = 9,498,662,586,483,748
  5. Step 5: Solve for x
    x = 9,498,662,586,483,748/112,623,917.56
  6. Step 6: Final answer
    x = 84,339,657.08

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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.