Home / 119,624,701.20-165,112,800.60-77,912,706.30

Finding the Fourth Proportional to 119,624,701.20, 165,112,800.60 and 77,912,706.30

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Solution

The fourth proportional to 119,624,701.20, 165,112,800.60 and 77,912,706.30 is: 107,539,538.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,624,701.20 : 165,112,800.60 = 77,912,706.30 : x
  2. Step 2: Convert to fraction form
    119,624,701.20/165,112,800.60 = 77,912,706.30/x
  3. Step 3: Cross multiply
    119,624,701.20x = 165,112,800.60 × 77,912,706.30
  4. Step 4: Simplify right side
    119,624,701.20x = 12,864,385,139,518,262
  5. Step 5: Solve for x
    x = 12,864,385,139,518,262/119,624,701.20
  6. Step 6: Final answer
    x = 107,539,538.33

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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.