Home / 76,917,051.76-106,145,555.36-42,111,952.80

Finding the Fourth Proportional to 76,917,051.76, 106,145,555.36 and 42,111,952.80

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Solution

The fourth proportional to 76,917,051.76, 106,145,555.36 and 42,111,952.80 is: 58,114,507.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,917,051.76 : 106,145,555.36 = 42,111,952.80 : x
  2. Step 2: Convert to fraction form
    76,917,051.76/106,145,555.36 = 42,111,952.80/x
  3. Step 3: Cross multiply
    76,917,051.76x = 106,145,555.36 × 42,111,952.80
  4. Step 4: Simplify right side
    76,917,051.76x = 4,469,996,617,250,106.50
  5. Step 5: Solve for x
    x = 4,469,996,617,250,106.50/76,917,051.76
  6. Step 6: Final answer
    x = 58,114,507.97

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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.