Home / 168,300,421.40-252,450,632.10-53,293,964.60

Finding the Fourth Proportional to 168,300,421.40, 252,450,632.10 and 53,293,964.60

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Solution

The fourth proportional to 168,300,421.40, 252,450,632.10 and 53,293,964.60 is: 79,940,946.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,300,421.40 : 252,450,632.10 = 53,293,964.60 : x
  2. Step 2: Convert to fraction form
    168,300,421.40/252,450,632.10 = 53,293,964.60/x
  3. Step 3: Cross multiply
    168,300,421.40x = 252,450,632.10 × 53,293,964.60
  4. Step 4: Simplify right side
    168,300,421.40x = 13,454,095,050,385,024
  5. Step 5: Solve for x
    x = 13,454,095,050,385,024/168,300,421.40
  6. Step 6: Final answer
    x = 79,940,946.90

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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.