Home / 229,081,416.84-316,139,007.51-124,666,221.96

Finding the Fourth Proportional to 229,081,416.84, 316,139,007.51 and 124,666,221.96

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Solution

The fourth proportional to 229,081,416.84, 316,139,007.51 and 124,666,221.96 is: 172,043,006.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,081,416.84 : 316,139,007.51 = 124,666,221.96 : x
  2. Step 2: Convert to fraction form
    229,081,416.84/316,139,007.51 = 124,666,221.96/x
  3. Step 3: Cross multiply
    229,081,416.84x = 316,139,007.51 × 124,666,221.96
  4. Step 4: Simplify right side
    229,081,416.84x = 39,411,855,680,455,760
  5. Step 5: Solve for x
    x = 39,411,855,680,455,760/229,081,416.84
  6. Step 6: Final answer
    x = 172,043,006.47

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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.