Home / 289,935,097.16-400,110,492.42-159,554,905.16

Finding the Fourth Proportional to 289,935,097.16, 400,110,492.42 and 159,554,905.16

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Solution

The fourth proportional to 289,935,097.16, 400,110,492.42 and 159,554,905.16 is: 220,185,801.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,935,097.16 : 400,110,492.42 = 159,554,905.16 : x
  2. Step 2: Convert to fraction form
    289,935,097.16/400,110,492.42 = 159,554,905.16/x
  3. Step 3: Cross multiply
    289,935,097.16x = 400,110,492.42 × 159,554,905.16
  4. Step 4: Simplify right side
    289,935,097.16x = 63,839,591,671,594,000
  5. Step 5: Solve for x
    x = 63,839,591,671,594,000/289,935,097.16
  6. Step 6: Final answer
    x = 220,185,801.23

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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.