Home / 135,433,169.46-186,909,300.60-76,706,281.74

Finding the Fourth Proportional to 135,433,169.46, 186,909,300.60 and 76,706,281.74

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Solution

The fourth proportional to 135,433,169.46, 186,909,300.60 and 76,706,281.74 is: 105,861,197.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,433,169.46 : 186,909,300.60 = 76,706,281.74 : x
  2. Step 2: Convert to fraction form
    135,433,169.46/186,909,300.60 = 76,706,281.74/x
  3. Step 3: Cross multiply
    135,433,169.46x = 186,909,300.60 × 76,706,281.74
  4. Step 4: Simplify right side
    135,433,169.46x = 14,337,117,471,649,950
  5. Step 5: Solve for x
    x = 14,337,117,471,649,950/135,433,169.46
  6. Step 6: Final answer
    x = 105,861,197.29

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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.