Home / 234,381,992.92-323,417,421.76-128,507,547.58

Finding the Fourth Proportional to 234,381,992.92, 323,417,421.76 and 128,507,547.58

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Solution

The fourth proportional to 234,381,992.92, 323,417,421.76 and 128,507,547.58 is: 177,324,116.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,381,992.92 : 323,417,421.76 = 128,507,547.58 : x
  2. Step 2: Convert to fraction form
    234,381,992.92/323,417,421.76 = 128,507,547.58/x
  3. Step 3: Cross multiply
    234,381,992.92x = 323,417,421.76 × 128,507,547.58
  4. Step 4: Simplify right side
    234,381,992.92x = 41,561,579,715,024,128
  5. Step 5: Solve for x
    x = 41,561,579,715,024,128/234,381,992.92
  6. Step 6: Final answer
    x = 177,324,116.06

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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.