Home / 135,433,622.28-186,910,586.46-76,710,572.76

Finding the Fourth Proportional to 135,433,622.28, 186,910,586.46 and 76,710,572.76

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Solution

The fourth proportional to 135,433,622.28, 186,910,586.46 and 76,710,572.76 is: 105,867,493.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,433,622.28 : 186,910,586.46 = 76,710,572.76 : x
  2. Step 2: Convert to fraction form
    135,433,622.28/186,910,586.46 = 76,710,572.76/x
  3. Step 3: Cross multiply
    135,433,622.28x = 186,910,586.46 × 76,710,572.76
  4. Step 4: Simplify right side
    135,433,622.28x = 14,338,018,142,254,102
  5. Step 5: Solve for x
    x = 14,338,018,142,254,102/135,433,622.28
  6. Step 6: Final answer
    x = 105,867,493.62

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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.