Home / 190,837,381.05-286,092,123.81-66,323,832.33

Finding the Fourth Proportional to 190,837,381.05, 286,092,123.81 and 66,323,832.33

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Solution

The fourth proportional to 190,837,381.05, 286,092,123.81 and 66,323,832.33 is: 99,428,769.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,837,381.05 : 286,092,123.81 = 66,323,832.33 : x
  2. Step 2: Convert to fraction form
    190,837,381.05/286,092,123.81 = 66,323,832.33/x
  3. Step 3: Cross multiply
    190,837,381.05x = 286,092,123.81 × 66,323,832.33
  4. Step 4: Simplify right side
    190,837,381.05x = 18,974,726,050,508,040
  5. Step 5: Solve for x
    x = 18,974,726,050,508,040/190,837,381.05
  6. Step 6: Final answer
    x = 99,428,769.91

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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.