Home / 399,358,874.70-599,102,681.85-123,009,960.51

Finding the Fourth Proportional to 399,358,874.70, 599,102,681.85 and 123,009,960.51

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Solution

The fourth proportional to 399,358,874.70, 599,102,681.85 and 123,009,960.51 is: 184,534,767.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,358,874.70 : 599,102,681.85 = 123,009,960.51 : x
  2. Step 2: Convert to fraction form
    399,358,874.70/599,102,681.85 = 123,009,960.51/x
  3. Step 3: Cross multiply
    399,358,874.70x = 599,102,681.85 × 123,009,960.51
  4. Step 4: Simplify right side
    399,358,874.70x = 73,695,597,235,803,600
  5. Step 5: Solve for x
    x = 73,695,597,235,803,600/399,358,874.70
  6. Step 6: Final answer
    x = 184,534,767.86

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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.