Home / 258,112,307.34-356,195,035.22-140,637,637.66

Finding the Fourth Proportional to 258,112,307.34, 356,195,035.22 and 140,637,637.66

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Solution

The fourth proportional to 258,112,307.34, 356,195,035.22 and 140,637,637.66 is: 194,079,967.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,112,307.34 : 356,195,035.22 = 140,637,637.66 : x
  2. Step 2: Convert to fraction form
    258,112,307.34/356,195,035.22 = 140,637,637.66/x
  3. Step 3: Cross multiply
    258,112,307.34x = 356,195,035.22 × 140,637,637.66
  4. Step 4: Simplify right side
    258,112,307.34x = 50,094,428,299,561,304
  5. Step 5: Solve for x
    x = 50,094,428,299,561,304/258,112,307.34
  6. Step 6: Final answer
    x = 194,079,967.81

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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.