Home / 106,428,001.40-159,642,002.10-105,420,231.80

Finding the Fourth Proportional to 106,428,001.40, 159,642,002.10 and 105,420,231.80

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Solution

The fourth proportional to 106,428,001.40, 159,642,002.10 and 105,420,231.80 is: 158,130,347.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,428,001.40 : 159,642,002.10 = 105,420,231.80 : x
  2. Step 2: Convert to fraction form
    106,428,001.40/159,642,002.10 = 105,420,231.80/x
  3. Step 3: Cross multiply
    106,428,001.40x = 159,642,002.10 × 105,420,231.80
  4. Step 4: Simplify right side
    106,428,001.40x = 16,829,496,866,398,086
  5. Step 5: Solve for x
    x = 16,829,496,866,398,086/106,428,001.40
  6. Step 6: Final answer
    x = 158,130,347.70

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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.