Home / 117,635,246.91-162,370,827.23-78,476,927.06

Finding the Fourth Proportional to 117,635,246.91, 162,370,827.23 and 78,476,927.06

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Solution

The fourth proportional to 117,635,246.91, 162,370,827.23 and 78,476,927.06 is: 108,320,965.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,635,246.91 : 162,370,827.23 = 78,476,927.06 : x
  2. Step 2: Convert to fraction form
    117,635,246.91/162,370,827.23 = 78,476,927.06/x
  3. Step 3: Cross multiply
    117,635,246.91x = 162,370,827.23 × 78,476,927.06
  4. Step 4: Simplify right side
    117,635,246.91x = 12,742,363,563,996,334
  5. Step 5: Solve for x
    x = 12,742,363,563,996,334/117,635,246.91
  6. Step 6: Final answer
    x = 108,320,965.86

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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.