Home / 105,378,726.36-145,424,364.28-57,693,185.28

Finding the Fourth Proportional to 105,378,726.36, 145,424,364.28 and 57,693,185.28

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Solution

The fourth proportional to 105,378,726.36, 145,424,364.28 and 57,693,185.28 is: 79,617,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,378,726.36 : 145,424,364.28 = 57,693,185.28 : x
  2. Step 2: Convert to fraction form
    105,378,726.36/145,424,364.28 = 57,693,185.28/x
  3. Step 3: Cross multiply
    105,378,726.36x = 145,424,364.28 × 57,693,185.28
  4. Step 4: Simplify right side
    105,378,726.36x = 8,389,994,792,632,254
  5. Step 5: Solve for x
    x = 8,389,994,792,632,254/105,378,726.36
  6. Step 6: Final answer
    x = 79,617,538.40

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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.