Home / 266,210,129.49-399,323,329.11-91,330,710.36

Finding the Fourth Proportional to 266,210,129.49, 399,323,329.11 and 91,330,710.36

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Solution

The fourth proportional to 266,210,129.49, 399,323,329.11 and 91,330,710.36 is: 136,998,856.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,210,129.49 : 399,323,329.11 = 91,330,710.36 : x
  2. Step 2: Convert to fraction form
    266,210,129.49/399,323,329.11 = 91,330,710.36/x
  3. Step 3: Cross multiply
    266,210,129.49x = 399,323,329.11 × 91,330,710.36
  4. Step 4: Simplify right side
    266,210,129.49x = 36,470,483,310,936,368
  5. Step 5: Solve for x
    x = 36,470,483,310,936,368/266,210,129.49
  6. Step 6: Final answer
    x = 136,998,856.43

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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.