Home / 161,387,997.84-242,152,875-84,693,102.48

Finding the Fourth Proportional to 161,387,997.84, 242,152,875 and 84,693,102.48

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Solution

The fourth proportional to 161,387,997.84, 242,152,875 and 84,693,102.48 is: 127,076,849.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,387,997.84 : 242,152,875 = 84,693,102.48 : x
  2. Step 2: Convert to fraction form
    161,387,997.84/242,152,875 = 84,693,102.48/x
  3. Step 3: Cross multiply
    161,387,997.84x = 242,152,875 × 84,693,102.48
  4. Step 4: Simplify right side
    161,387,997.84x = 20,508,678,258,201,632
  5. Step 5: Solve for x
    x = 20,508,678,258,201,632/161,387,997.84
  6. Step 6: Final answer
    x = 127,076,849.16

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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.