Home / 161,705,349.90-242,558,024.85-88,893,996.30

Finding the Fourth Proportional to 161,705,349.90, 242,558,024.85 and 88,893,996.30

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Solution

The fourth proportional to 161,705,349.90, 242,558,024.85 and 88,893,996.30 is: 133,340,994.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,705,349.90 : 242,558,024.85 = 88,893,996.30 : x
  2. Step 2: Convert to fraction form
    161,705,349.90/242,558,024.85 = 88,893,996.30/x
  3. Step 3: Cross multiply
    161,705,349.90x = 242,558,024.85 × 88,893,996.30
  4. Step 4: Simplify right side
    161,705,349.90x = 21,561,952,163,551,208
  5. Step 5: Solve for x
    x = 21,561,952,163,551,208/161,705,349.90
  6. Step 6: Final answer
    x = 133,340,994.45

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Double scale
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Similar ratio
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1.5x scale

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.