Home / 242,563,670.91-334,737,866.32-138,151,457.64

Finding the Fourth Proportional to 242,563,670.91, 334,737,866.32 and 138,151,457.64

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Solution

The fourth proportional to 242,563,670.91, 334,737,866.32 and 138,151,457.64 is: 190,649,011.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,563,670.91 : 334,737,866.32 = 138,151,457.64 : x
  2. Step 2: Convert to fraction form
    242,563,670.91/334,737,866.32 = 138,151,457.64/x
  3. Step 3: Cross multiply
    242,563,670.91x = 334,737,866.32 × 138,151,457.64
  4. Step 4: Simplify right side
    242,563,670.91x = 46,244,524,159,066,080
  5. Step 5: Solve for x
    x = 46,244,524,159,066,080/242,563,670.91
  6. Step 6: Final answer
    x = 190,649,011.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.