Home / 288,243,623.10-432,497,187.63-156,889,122.60

Finding the Fourth Proportional to 288,243,623.10, 432,497,187.63 and 156,889,122.60

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Solution

The fourth proportional to 288,243,623.10, 432,497,187.63 and 156,889,122.60 is: 235,405,396.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,243,623.10 : 432,497,187.63 = 156,889,122.60 : x
  2. Step 2: Convert to fraction form
    288,243,623.10/432,497,187.63 = 156,889,122.60/x
  3. Step 3: Cross multiply
    288,243,623.10x = 432,497,187.63 × 156,889,122.60
  4. Step 4: Simplify right side
    288,243,623.10x = 67,854,104,294,238,272
  5. Step 5: Solve for x
    x = 67,854,104,294,238,272/288,243,623.10
  6. Step 6: Final answer
    x = 235,405,396.19

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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.