Home / 177,082,783.20-265,624,174.80-90,989,341.20

Finding the Fourth Proportional to 177,082,783.20, 265,624,174.80 and 90,989,341.20

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Solution

The fourth proportional to 177,082,783.20, 265,624,174.80 and 90,989,341.20 is: 136,484,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,082,783.20 : 265,624,174.80 = 90,989,341.20 : x
  2. Step 2: Convert to fraction form
    177,082,783.20/265,624,174.80 = 90,989,341.20/x
  3. Step 3: Cross multiply
    177,082,783.20x = 265,624,174.80 × 90,989,341.20
  4. Step 4: Simplify right side
    177,082,783.20x = 24,168,968,671,845,644
  5. Step 5: Solve for x
    x = 24,168,968,671,845,644/177,082,783.20
  6. Step 6: Final answer
    x = 136,484,011.80

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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.