Home / 147,822,905.13-203,996,929.59-81,747,850.65

Finding the Fourth Proportional to 147,822,905.13, 203,996,929.59 and 81,747,850.65

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Solution

The fourth proportional to 147,822,905.13, 203,996,929.59 and 81,747,850.65 is: 112,812,764.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,822,905.13 : 203,996,929.59 = 81,747,850.65 : x
  2. Step 2: Convert to fraction form
    147,822,905.13/203,996,929.59 = 81,747,850.65/x
  3. Step 3: Cross multiply
    147,822,905.13x = 203,996,929.59 × 81,747,850.65
  4. Step 4: Simplify right side
    147,822,905.13x = 16,676,310,533,181,888
  5. Step 5: Solve for x
    x = 16,676,310,533,181,888/147,822,905.13
  6. Step 6: Final answer
    x = 112,812,764.16

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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.