Home / 63,115,455.20-94,617,886.80-42,855,000.80

Finding the Fourth Proportional to 63,115,455.20, 94,617,886.80 and 42,855,000.80

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Solution

The fourth proportional to 63,115,455.20, 94,617,886.80 and 42,855,000.80 is: 64,244,955.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,115,455.20 : 94,617,886.80 = 42,855,000.80 : x
  2. Step 2: Convert to fraction form
    63,115,455.20/94,617,886.80 = 42,855,000.80/x
  3. Step 3: Cross multiply
    63,115,455.20x = 94,617,886.80 × 42,855,000.80
  4. Step 4: Simplify right side
    63,115,455.20x = 4,054,849,614,508,309
  5. Step 5: Solve for x
    x = 4,054,849,614,508,309/63,115,455.20
  6. Step 6: Final answer
    x = 64,244,955.56

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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.