Home / 139,247,501.05-208,901,394.13-42,210,526.33

Finding the Fourth Proportional to 139,247,501.05, 208,901,394.13 and 42,210,526.33

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Solution

The fourth proportional to 139,247,501.05, 208,901,394.13 and 42,210,526.33 is: 63,324,926.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,247,501.05 : 208,901,394.13 = 42,210,526.33 : x
  2. Step 2: Convert to fraction form
    139,247,501.05/208,901,394.13 = 42,210,526.33/x
  3. Step 3: Cross multiply
    139,247,501.05x = 208,901,394.13 × 42,210,526.33
  4. Step 4: Simplify right side
    139,247,501.05x = 8,817,837,798,238,858
  5. Step 5: Solve for x
    x = 8,817,837,798,238,858/139,247,501.05
  6. Step 6: Final answer
    x = 63,324,926.71

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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.