Home / 163,716,016.48-245,602,393.44-66,724,491.04

Finding the Fourth Proportional to 163,716,016.48, 245,602,393.44 and 66,724,491.04

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Solution

The fourth proportional to 163,716,016.48, 245,602,393.44 and 66,724,491.04 is: 100,098,298.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,716,016.48 : 245,602,393.44 = 66,724,491.04 : x
  2. Step 2: Convert to fraction form
    163,716,016.48/245,602,393.44 = 66,724,491.04/x
  3. Step 3: Cross multiply
    163,716,016.48x = 245,602,393.44 × 66,724,491.04
  4. Step 4: Simplify right side
    163,716,016.48x = 16,387,694,700,489,834
  5. Step 5: Solve for x
    x = 16,387,694,700,489,834/163,716,016.48
  6. Step 6: Final answer
    x = 100,098,298.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.