Home / 56,535,557.51-84,816,969.57-19,642,077.78

Finding the Fourth Proportional to 56,535,557.51, 84,816,969.57 and 19,642,077.78

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Solution

The fourth proportional to 56,535,557.51, 84,816,969.57 and 19,642,077.78 is: 29,467,853.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,535,557.51 : 84,816,969.57 = 19,642,077.78 : x
  2. Step 2: Convert to fraction form
    56,535,557.51/84,816,969.57 = 19,642,077.78/x
  3. Step 3: Cross multiply
    56,535,557.51x = 84,816,969.57 × 19,642,077.78
  4. Step 4: Simplify right side
    56,535,557.51x = 1,665,981,513,357,833
  5. Step 5: Solve for x
    x = 1,665,981,513,357,833/56,535,557.51
  6. Step 6: Final answer
    x = 29,467,853.27

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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.