Home / 131,462,771.63-181,423,966.59-72,724,424.04

Finding the Fourth Proportional to 131,462,771.63, 181,423,966.59 and 72,724,424.04

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Solution

The fourth proportional to 131,462,771.63, 181,423,966.59 and 72,724,424.04 is: 100,362,660.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,462,771.63 : 181,423,966.59 = 72,724,424.04 : x
  2. Step 2: Convert to fraction form
    131,462,771.63/181,423,966.59 = 72,724,424.04/x
  3. Step 3: Cross multiply
    131,462,771.63x = 181,423,966.59 × 72,724,424.04
  4. Step 4: Simplify right side
    131,462,771.63x = 13,193,953,477,309,954
  5. Step 5: Solve for x
    x = 13,193,953,477,309,954/131,462,771.63
  6. Step 6: Final answer
    x = 100,362,660.20

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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.