Home / 217,507,234.80-326,260,852.20-152,884,009.20

Finding the Fourth Proportional to 217,507,234.80, 326,260,852.20 and 152,884,009.20

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Solution

The fourth proportional to 217,507,234.80, 326,260,852.20 and 152,884,009.20 is: 229,326,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,507,234.80 : 326,260,852.20 = 152,884,009.20 : x
  2. Step 2: Convert to fraction form
    217,507,234.80/326,260,852.20 = 152,884,009.20/x
  3. Step 3: Cross multiply
    217,507,234.80x = 326,260,852.20 × 152,884,009.20
  4. Step 4: Simplify right side
    217,507,234.80x = 49,880,067,129,344,632
  5. Step 5: Solve for x
    x = 49,880,067,129,344,632/217,507,234.80
  6. Step 6: Final answer
    x = 229,326,013.80

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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.