Home / 119,238,415.80-178,857,623.70-64,677,139.80

Finding the Fourth Proportional to 119,238,415.80, 178,857,623.70 and 64,677,139.80

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Solution

The fourth proportional to 119,238,415.80, 178,857,623.70 and 64,677,139.80 is: 97,015,709.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,238,415.80 : 178,857,623.70 = 64,677,139.80 : x
  2. Step 2: Convert to fraction form
    119,238,415.80/178,857,623.70 = 64,677,139.80/x
  3. Step 3: Cross multiply
    119,238,415.80x = 178,857,623.70 × 64,677,139.80
  4. Step 4: Simplify right side
    119,238,415.80x = 11,567,999,532,340,692
  5. Step 5: Solve for x
    x = 11,567,999,532,340,692/119,238,415.80
  6. Step 6: Final answer
    x = 97,015,709.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.