Home / 76,365,486.32-105,387,841.42-45,004,858.88

Finding the Fourth Proportional to 76,365,486.32, 105,387,841.42 and 45,004,858.88

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Solution

The fourth proportional to 76,365,486.32, 105,387,841.42 and 45,004,858.88 is: 62,108,750.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,365,486.32 : 105,387,841.42 = 45,004,858.88 : x
  2. Step 2: Convert to fraction form
    76,365,486.32/105,387,841.42 = 45,004,858.88/x
  3. Step 3: Cross multiply
    76,365,486.32x = 105,387,841.42 × 45,004,858.88
  4. Step 4: Simplify right side
    76,365,486.32x = 4,742,964,930,774,919
  5. Step 5: Solve for x
    x = 4,742,964,930,774,919/76,365,486.32
  6. Step 6: Final answer
    x = 62,108,750.42

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1.5x scale

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.