Home / 281,208,076.88-387,983,202.02-181,931,617.58

Finding the Fourth Proportional to 281,208,076.88, 387,983,202.02 and 181,931,617.58

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Solution

The fourth proportional to 281,208,076.88, 387,983,202.02 and 181,931,617.58 is: 251,011,323.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,208,076.88 : 387,983,202.02 = 181,931,617.58 : x
  2. Step 2: Convert to fraction form
    281,208,076.88/387,983,202.02 = 181,931,617.58/x
  3. Step 3: Cross multiply
    281,208,076.88x = 387,983,202.02 × 181,931,617.58
  4. Step 4: Simplify right side
    281,208,076.88x = 70,586,411,534,516,944
  5. Step 5: Solve for x
    x = 70,586,411,534,516,944/281,208,076.88
  6. Step 6: Final answer
    x = 251,011,323.43

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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.