Home / 106,321,981-146,724,392.64-57,429,409

Finding the Fourth Proportional to 106,321,981, 146,724,392.64 and 57,429,409

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Solution

The fourth proportional to 106,321,981, 146,724,392.64 and 57,429,409 is: 79,252,616.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,321,981 : 146,724,392.64 = 57,429,409 : x
  2. Step 2: Convert to fraction form
    106,321,981/146,724,392.64 = 57,429,409/x
  3. Step 3: Cross multiply
    106,321,981x = 146,724,392.64 × 57,429,409
  4. Step 4: Simplify right side
    106,321,981x = 8,426,295,155,199,149
  5. Step 5: Solve for x
    x = 8,426,295,155,199,149/106,321,981
  6. Step 6: Final answer
    x = 79,252,616.21

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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.