Home / 91,567,911.28-126,363,688.57-50,317,460.86

Finding the Fourth Proportional to 91,567,911.28, 126,363,688.57 and 50,317,460.86

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Solution

The fourth proportional to 91,567,911.28, 126,363,688.57 and 50,317,460.86 is: 69,438,080.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,567,911.28 : 126,363,688.57 = 50,317,460.86 : x
  2. Step 2: Convert to fraction form
    91,567,911.28/126,363,688.57 = 50,317,460.86/x
  3. Step 3: Cross multiply
    91,567,911.28x = 126,363,688.57 × 50,317,460.86
  4. Step 4: Simplify right side
    91,567,911.28x = 6,358,299,953,746,204
  5. Step 5: Solve for x
    x = 6,358,299,953,746,204/91,567,911.28
  6. Step 6: Final answer
    x = 69,438,080.05

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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.