Home / 159,014,433.60-238,395,679.20-87,210,849.60

Finding the Fourth Proportional to 159,014,433.60, 238,395,679.20 and 87,210,849.60

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Solution

The fourth proportional to 159,014,433.60, 238,395,679.20 and 87,210,849.60 is: 130,747,185.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,014,433.60 : 238,395,679.20 = 87,210,849.60 : x
  2. Step 2: Convert to fraction form
    159,014,433.60/238,395,679.20 = 87,210,849.60/x
  3. Step 3: Cross multiply
    159,014,433.60x = 238,395,679.20 × 87,210,849.60
  4. Step 4: Simplify right side
    159,014,433.60x = 20,790,689,724,001,044
  5. Step 5: Solve for x
    x = 20,790,689,724,001,044/159,014,433.60
  6. Step 6: Final answer
    x = 130,747,185.98

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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.