Home / 56,535,569.52-84,816,987.57-19,642,089.78

Finding the Fourth Proportional to 56,535,569.52, 84,816,987.57 and 19,642,089.78

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Solution

The fourth proportional to 56,535,569.52, 84,816,987.57 and 19,642,089.78 is: 29,467,871.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,535,569.52 : 84,816,987.57 = 19,642,089.78 : x
  2. Step 2: Convert to fraction form
    56,535,569.52/84,816,987.57 = 19,642,089.78/x
  3. Step 3: Cross multiply
    56,535,569.52x = 84,816,987.57 × 19,642,089.78
  4. Step 4: Simplify right side
    56,535,569.52x = 1,665,982,884,719,084
  5. Step 5: Solve for x
    x = 1,665,982,884,719,084/56,535,569.52
  6. Step 6: Final answer
    x = 29,467,871.27

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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.