Home / 108,165,634.04-149,275,898.54-61,106,385.89

Finding the Fourth Proportional to 108,165,634.04, 149,275,898.54 and 61,106,385.89

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Solution

The fourth proportional to 108,165,634.04, 149,275,898.54 and 61,106,385.89 is: 84,330,949.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,165,634.04 : 149,275,898.54 = 61,106,385.89 : x
  2. Step 2: Convert to fraction form
    108,165,634.04/149,275,898.54 = 61,106,385.89/x
  3. Step 3: Cross multiply
    108,165,634.04x = 149,275,898.54 × 61,106,385.89
  4. Step 4: Simplify right side
    108,165,634.04x = 9,121,710,659,209,816
  5. Step 5: Solve for x
    x = 9,121,710,659,209,816/108,165,634.04
  6. Step 6: Final answer
    x = 84,330,949.85

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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.