Home / 170,167,011.20-255,250,516.80-166,387,875.20

Finding the Fourth Proportional to 170,167,011.20, 255,250,516.80 and 166,387,875.20

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Solution

The fourth proportional to 170,167,011.20, 255,250,516.80 and 166,387,875.20 is: 249,581,812.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,167,011.20 : 255,250,516.80 = 166,387,875.20 : x
  2. Step 2: Convert to fraction form
    170,167,011.20/255,250,516.80 = 166,387,875.20/x
  3. Step 3: Cross multiply
    170,167,011.20x = 255,250,516.80 × 166,387,875.20
  4. Step 4: Simplify right side
    170,167,011.20x = 42,470,591,134,053,904
  5. Step 5: Solve for x
    x = 42,470,591,134,053,904/170,167,011.20
  6. Step 6: Final answer
    x = 249,581,812.80

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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.