Home / 181,551,135.70-272,161,366.35-66,507,937.30

Finding the Fourth Proportional to 181,551,135.70, 272,161,366.35 and 66,507,937.30

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Solution

The fourth proportional to 181,551,135.70, 272,161,366.35 and 66,507,937.30 is: 99,701,337.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,551,135.70 : 272,161,366.35 = 66,507,937.30 : x
  2. Step 2: Convert to fraction form
    181,551,135.70/272,161,366.35 = 66,507,937.30/x
  3. Step 3: Cross multiply
    181,551,135.70x = 272,161,366.35 × 66,507,937.30
  4. Step 4: Simplify right side
    181,551,135.70x = 18,100,891,088,688,132
  5. Step 5: Solve for x
    x = 18,100,891,088,688,132/181,551,135.70
  6. Step 6: Final answer
    x = 99,701,337.69

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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.