Home / 86,576,681.76-119,477,754.87-49,406,222.13

Finding the Fourth Proportional to 86,576,681.76, 119,477,754.87 and 49,406,222.13

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Solution

The fourth proportional to 86,576,681.76, 119,477,754.87 and 49,406,222.13 is: 68,181,690.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,576,681.76 : 119,477,754.87 = 49,406,222.13 : x
  2. Step 2: Convert to fraction form
    86,576,681.76/119,477,754.87 = 49,406,222.13/x
  3. Step 3: Cross multiply
    86,576,681.76x = 119,477,754.87 × 49,406,222.13
  4. Step 4: Simplify right side
    86,576,681.76x = 5,902,944,496,700,910
  5. Step 5: Solve for x
    x = 5,902,944,496,700,910/86,576,681.76
  6. Step 6: Final answer
    x = 68,181,690.23

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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.