Home / 90,163,455.45-135,069,044.74-62,114,964.78

Finding the Fourth Proportional to 90,163,455.45, 135,069,044.74 and 62,114,964.78

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Solution

The fourth proportional to 90,163,455.45, 135,069,044.74 and 62,114,964.78 is: 93,051,102.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,163,455.45 : 135,069,044.74 = 62,114,964.78 : x
  2. Step 2: Convert to fraction form
    90,163,455.45/135,069,044.74 = 62,114,964.78/x
  3. Step 3: Cross multiply
    90,163,455.45x = 135,069,044.74 × 62,114,964.78
  4. Step 4: Simplify right side
    90,163,455.45x = 8,389,808,957,036,496
  5. Step 5: Solve for x
    x = 8,389,808,957,036,496/90,163,455.45
  6. Step 6: Final answer
    x = 93,051,102.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.