Home / 161,684,177.80-242,561,696.10-79,842,263.80

Finding the Fourth Proportional to 161,684,177.80, 242,561,696.10 and 79,842,263.80

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Solution

The fourth proportional to 161,684,177.80, 242,561,696.10 and 79,842,263.80 is: 119,780,891.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,684,177.80 : 242,561,696.10 = 79,842,263.80 : x
  2. Step 2: Convert to fraction form
    161,684,177.80/242,561,696.10 = 79,842,263.80/x
  3. Step 3: Cross multiply
    161,684,177.80x = 242,561,696.10 × 79,842,263.80
  4. Step 4: Simplify right side
    161,684,177.80x = 19,366,674,927,791,628
  5. Step 5: Solve for x
    x = 19,366,674,927,791,628/161,684,177.80
  6. Step 6: Final answer
    x = 119,780,891.31

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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.