Home / 111,893,767.11-153,295,007.80-107,700,019.75

Finding the Fourth Proportional to 111,893,767.11, 153,295,007.80 and 107,700,019.75

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Solution

The fourth proportional to 111,893,767.11, 153,295,007.80 and 107,700,019.75 is: 147,549,553.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,893,767.11 : 153,295,007.80 = 107,700,019.75 : x
  2. Step 2: Convert to fraction form
    111,893,767.11/153,295,007.80 = 107,700,019.75/x
  3. Step 3: Cross multiply
    111,893,767.11x = 153,295,007.80 × 107,700,019.75
  4. Step 4: Simplify right side
    111,893,767.11x = 16,509,875,367,636,406
  5. Step 5: Solve for x
    x = 16,509,875,367,636,406/111,893,767.11
  6. Step 6: Final answer
    x = 147,549,553.42

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.