Home / 325,300,919.28-487,957,210.60-118,186,420.72

Finding the Fourth Proportional to 325,300,919.28, 487,957,210.60 and 118,186,420.72

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Solution

The fourth proportional to 325,300,919.28, 487,957,210.60 and 118,186,420.72 is: 177,281,749.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,300,919.28 : 487,957,210.60 = 118,186,420.72 : x
  2. Step 2: Convert to fraction form
    325,300,919.28/487,957,210.60 = 118,186,420.72/x
  3. Step 3: Cross multiply
    325,300,919.28x = 487,957,210.60 × 118,186,420.72
  4. Step 4: Simplify right side
    325,300,919.28x = 57,669,916,185,329,248
  5. Step 5: Solve for x
    x = 57,669,916,185,329,248/325,300,919.28
  6. Step 6: Final answer
    x = 177,281,749.81

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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.