Home / 302,692,805.70-417,716,068.04-163,463,555.17

Finding the Fourth Proportional to 302,692,805.70, 417,716,068.04 and 163,463,555.17

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Solution

The fourth proportional to 302,692,805.70, 417,716,068.04 and 163,463,555.17 is: 225,579,704.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,692,805.70 : 417,716,068.04 = 163,463,555.17 : x
  2. Step 2: Convert to fraction form
    302,692,805.70/417,716,068.04 = 163,463,555.17/x
  3. Step 3: Cross multiply
    302,692,805.70x = 417,716,068.04 × 163,463,555.17
  4. Step 4: Simplify right side
    302,692,805.70x = 68,281,353,532,816,384
  5. Step 5: Solve for x
    x = 68,281,353,532,816,384/302,692,805.70
  6. Step 6: Final answer
    x = 225,579,704.07

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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.