Home / 63,618,518.54-87,800,681.25-38,514,464.96

Finding the Fourth Proportional to 63,618,518.54, 87,800,681.25 and 38,514,464.96

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Solution

The fourth proportional to 63,618,518.54, 87,800,681.25 and 38,514,464.96 is: 53,154,275.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,618,518.54 : 87,800,681.25 = 38,514,464.96 : x
  2. Step 2: Convert to fraction form
    63,618,518.54/87,800,681.25 = 38,514,464.96/x
  3. Step 3: Cross multiply
    63,618,518.54x = 87,800,681.25 × 38,514,464.96
  4. Step 4: Simplify right side
    63,618,518.54x = 3,381,596,261,028,250.50
  5. Step 5: Solve for x
    x = 3,381,596,261,028,250.50/63,618,518.54
  6. Step 6: Final answer
    x = 53,154,275.50

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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.