Home / 282,364,999.65-423,547,499.48-129,309,991.65

Finding the Fourth Proportional to 282,364,999.65, 423,547,499.48 and 129,309,991.65

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Solution

The fourth proportional to 282,364,999.65, 423,547,499.48 and 129,309,991.65 is: 193,964,987.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,364,999.65 : 423,547,499.48 = 129,309,991.65 : x
  2. Step 2: Convert to fraction form
    282,364,999.65/423,547,499.48 = 129,309,991.65/x
  3. Step 3: Cross multiply
    282,364,999.65x = 423,547,499.48 × 129,309,991.65
  4. Step 4: Simplify right side
    282,364,999.65x = 54,768,923,620,490,632
  5. Step 5: Solve for x
    x = 54,768,923,620,490,632/282,364,999.65
  6. Step 6: Final answer
    x = 193,964,987.48

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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.