Home / 152,624,630.70-210,676,775.85-90,744,821.64

Finding the Fourth Proportional to 152,624,630.70, 210,676,775.85 and 90,744,821.64

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Solution

The fourth proportional to 152,624,630.70, 210,676,775.85 and 90,744,821.64 is: 125,260,427.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,624,630.70 : 210,676,775.85 = 90,744,821.64 : x
  2. Step 2: Convert to fraction form
    152,624,630.70/210,676,775.85 = 90,744,821.64/x
  3. Step 3: Cross multiply
    152,624,630.70x = 210,676,775.85 × 90,744,821.64
  4. Step 4: Simplify right side
    152,624,630.70x = 19,117,826,448,198,508
  5. Step 5: Solve for x
    x = 19,117,826,448,198,508/152,624,630.70
  6. Step 6: Final answer
    x = 125,260,427.24

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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.