Home / 288,216,950.94-432,260,594.55-132,621,507.54

Finding the Fourth Proportional to 288,216,950.94, 432,260,594.55 and 132,621,507.54

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Solution

The fourth proportional to 288,216,950.94, 432,260,594.55 and 132,621,507.54 is: 198,902,429.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,216,950.94 : 432,260,594.55 = 132,621,507.54 : x
  2. Step 2: Convert to fraction form
    288,216,950.94/432,260,594.55 = 132,621,507.54/x
  3. Step 3: Cross multiply
    288,216,950.94x = 432,260,594.55 × 132,621,507.54
  4. Step 4: Simplify right side
    288,216,950.94x = 57,327,051,699,357,712
  5. Step 5: Solve for x
    x = 57,327,051,699,357,712/288,216,950.94
  6. Step 6: Final answer
    x = 198,902,429.27

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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.