Home / 105,378,797.68-145,424,462.52-57,693,256.36

Finding the Fourth Proportional to 105,378,797.68, 145,424,462.52 and 57,693,256.36

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Solution

The fourth proportional to 105,378,797.68, 145,424,462.52 and 57,693,256.36 is: 79,617,636.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,378,797.68 : 145,424,462.52 = 57,693,256.36 : x
  2. Step 2: Convert to fraction form
    105,378,797.68/145,424,462.52 = 57,693,256.36/x
  3. Step 3: Cross multiply
    105,378,797.68x = 145,424,462.52 × 57,693,256.36
  4. Step 4: Simplify right side
    105,378,797.68x = 8,390,010,797,181,572
  5. Step 5: Solve for x
    x = 8,390,010,797,181,572/105,378,797.68
  6. Step 6: Final answer
    x = 79,617,636.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.