Home / 266,210,130.50-399,323,330.62-91,330,711.36

Finding the Fourth Proportional to 266,210,130.50, 399,323,330.62 and 91,330,711.36

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Solution

The fourth proportional to 266,210,130.50, 399,323,330.62 and 91,330,711.36 is: 136,998,857.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,210,130.50 : 399,323,330.62 = 91,330,711.36 : x
  2. Step 2: Convert to fraction form
    266,210,130.50/399,323,330.62 = 91,330,711.36/x
  3. Step 3: Cross multiply
    266,210,130.50x = 399,323,330.62 × 91,330,711.36
  4. Step 4: Simplify right side
    266,210,130.50x = 36,470,483,848,169,072
  5. Step 5: Solve for x
    x = 36,470,483,848,169,072/266,210,130.50
  6. Step 6: Final answer
    x = 136,998,857.93

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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.