Home / 65,928,005.20-98,933,998.20-38,634,245.20

Finding the Fourth Proportional to 65,928,005.20, 98,933,998.20 and 38,634,245.20

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Solution

The fourth proportional to 65,928,005.20, 98,933,998.20 and 38,634,245.20 is: 57,975,974.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,928,005.20 : 98,933,998.20 = 38,634,245.20 : x
  2. Step 2: Convert to fraction form
    65,928,005.20/98,933,998.20 = 38,634,245.20/x
  3. Step 3: Cross multiply
    65,928,005.20x = 98,933,998.20 × 38,634,245.20
  4. Step 4: Simplify right side
    65,928,005.20x = 3,822,240,345,075,159
  5. Step 5: Solve for x
    x = 3,822,240,345,075,159/65,928,005.20
  6. Step 6: Final answer
    x = 57,975,974.45

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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.