Home / 161,705,042.40-242,557,563.60-88,893,688.80

Finding the Fourth Proportional to 161,705,042.40, 242,557,563.60 and 88,893,688.80

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Solution

The fourth proportional to 161,705,042.40, 242,557,563.60 and 88,893,688.80 is: 133,340,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,705,042.40 : 242,557,563.60 = 88,893,688.80 : x
  2. Step 2: Convert to fraction form
    161,705,042.40/242,557,563.60 = 88,893,688.80/x
  3. Step 3: Cross multiply
    161,705,042.40x = 242,557,563.60 × 88,893,688.80
  4. Step 4: Simplify right side
    161,705,042.40x = 21,561,836,574,744,608
  5. Step 5: Solve for x
    x = 21,561,836,574,744,608/161,705,042.40
  6. Step 6: Final answer
    x = 133,340,533.20

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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.