Home / 347,751,007.20-521,626,510.80-166,352,479.20

Finding the Fourth Proportional to 347,751,007.20, 521,626,510.80 and 166,352,479.20

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Solution

The fourth proportional to 347,751,007.20, 521,626,510.80 and 166,352,479.20 is: 249,528,718.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,751,007.20 : 521,626,510.80 = 166,352,479.20 : x
  2. Step 2: Convert to fraction form
    347,751,007.20/521,626,510.80 = 166,352,479.20/x
  3. Step 3: Cross multiply
    347,751,007.20x = 521,626,510.80 × 166,352,479.20
  4. Step 4: Simplify right side
    347,751,007.20x = 86,773,863,288,025,568
  5. Step 5: Solve for x
    x = 86,773,863,288,025,568/347,751,007.20
  6. Step 6: Final answer
    x = 249,528,718.80

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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.