Home / 111,390,934.12-167,120,609.50-53,172,901.24

Finding the Fourth Proportional to 111,390,934.12, 167,120,609.50 and 53,172,901.24

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Solution

The fourth proportional to 111,390,934.12, 167,120,609.50 and 53,172,901.24 is: 79,775,681.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,390,934.12 : 167,120,609.50 = 53,172,901.24 : x
  2. Step 2: Convert to fraction form
    111,390,934.12/167,120,609.50 = 53,172,901.24/x
  3. Step 3: Cross multiply
    111,390,934.12x = 167,120,609.50 × 53,172,901.24
  4. Step 4: Simplify right side
    111,390,934.12x = 8,886,287,664,112,106
  5. Step 5: Solve for x
    x = 8,886,287,664,112,106/111,390,934.12
  6. Step 6: Final answer
    x = 79,775,681.34

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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.