Home / 325,300,920.28-487,957,212.10-118,186,421.72

Finding the Fourth Proportional to 325,300,920.28, 487,957,212.10 and 118,186,421.72

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Solution

The fourth proportional to 325,300,920.28, 487,957,212.10 and 118,186,421.72 is: 177,281,751.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,300,920.28 : 487,957,212.10 = 118,186,421.72 : x
  2. Step 2: Convert to fraction form
    325,300,920.28/487,957,212.10 = 118,186,421.72/x
  3. Step 3: Cross multiply
    325,300,920.28x = 487,957,212.10 × 118,186,421.72
  4. Step 4: Simplify right side
    325,300,920.28x = 57,669,916,850,566,088
  5. Step 5: Solve for x
    x = 57,669,916,850,566,088/325,300,920.28
  6. Step 6: Final answer
    x = 177,281,751.31

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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.