Home / 161,679,718.80-242,555,007.60-79,837,804.80

Finding the Fourth Proportional to 161,679,718.80, 242,555,007.60 and 79,837,804.80

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Solution

The fourth proportional to 161,679,718.80, 242,555,007.60 and 79,837,804.80 is: 119,774,202.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,679,718.80 : 242,555,007.60 = 79,837,804.80 : x
  2. Step 2: Convert to fraction form
    161,679,718.80/242,555,007.60 = 79,837,804.80/x
  3. Step 3: Cross multiply
    161,679,718.80x = 242,555,007.60 × 79,837,804.80
  4. Step 4: Simplify right side
    161,679,718.80x = 19,365,059,350,031,316
  5. Step 5: Solve for x
    x = 19,365,059,350,031,316/161,679,718.80
  6. Step 6: Final answer
    x = 119,774,202.32

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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.