Home / 125,224,143.89-187,837,214.56-51,428,911.84

Finding the Fourth Proportional to 125,224,143.89, 187,837,214.56 and 51,428,911.84

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Solution

The fourth proportional to 125,224,143.89, 187,837,214.56 and 51,428,911.84 is: 77,143,777.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,224,143.89 : 187,837,214.56 = 51,428,911.84 : x
  2. Step 2: Convert to fraction form
    125,224,143.89/187,837,214.56 = 51,428,911.84/x
  3. Step 3: Cross multiply
    125,224,143.89x = 187,837,214.56 × 51,428,911.84
  4. Step 4: Simplify right side
    125,224,143.89x = 9,660,263,547,279,240
  5. Step 5: Solve for x
    x = 9,660,263,547,279,240/125,224,143.89
  6. Step 6: Final answer
    x = 77,143,777.93

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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.