Home / 111,147,750.34-153,386,114.73-64,740,993.61

Finding the Fourth Proportional to 111,147,750.34, 153,386,114.73 and 64,740,993.61

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Solution

The fourth proportional to 111,147,750.34, 153,386,114.73 and 64,740,993.61 is: 89,343,863.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,147,750.34 : 153,386,114.73 = 64,740,993.61 : x
  2. Step 2: Convert to fraction form
    111,147,750.34/153,386,114.73 = 64,740,993.61/x
  3. Step 3: Cross multiply
    111,147,750.34x = 153,386,114.73 × 64,740,993.61
  4. Step 4: Simplify right side
    111,147,750.34x = 9,930,369,473,597,656
  5. Step 5: Solve for x
    x = 9,930,369,473,597,656/111,147,750.34
  6. Step 6: Final answer
    x = 89,343,863.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.