Home / 64,543,959-96,834,899.79-19,106,934.48

Finding the Fourth Proportional to 64,543,959, 96,834,899.79 and 19,106,934.48

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Solution

The fourth proportional to 64,543,959, 96,834,899.79 and 19,106,934.48 is: 28,666,014.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,543,959 : 96,834,899.79 = 19,106,934.48 : x
  2. Step 2: Convert to fraction form
    64,543,959/96,834,899.79 = 19,106,934.48/x
  3. Step 3: Cross multiply
    64,543,959x = 96,834,899.79 × 19,106,934.48
  4. Step 4: Simplify right side
    64,543,959x = 1,850,218,085,664,896
  5. Step 5: Solve for x
    x = 1,850,218,085,664,896/64,543,959
  6. Step 6: Final answer
    x = 28,666,014.83

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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.