Home / 135,433,070.46-186,909,164.15-76,706,182.76

Finding the Fourth Proportional to 135,433,070.46, 186,909,164.15 and 76,706,182.76

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Solution

The fourth proportional to 135,433,070.46, 186,909,164.15 and 76,706,182.76 is: 105,861,060.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,433,070.46 : 186,909,164.15 = 76,706,182.76 : x
  2. Step 2: Convert to fraction form
    135,433,070.46/186,909,164.15 = 76,706,182.76/x
  3. Step 3: Cross multiply
    135,433,070.46x = 186,909,164.15 × 76,706,182.76
  4. Step 4: Simplify right side
    135,433,070.46x = 14,337,088,503,490,664
  5. Step 5: Solve for x
    x = 14,337,088,503,490,664/135,433,070.46
  6. Step 6: Final answer
    x = 105,861,060.78

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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.