Home / 161,248,014.40-241,872,021.60-88,436,660.80

Finding the Fourth Proportional to 161,248,014.40, 241,872,021.60 and 88,436,660.80

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Solution

The fourth proportional to 161,248,014.40, 241,872,021.60 and 88,436,660.80 is: 132,654,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,248,014.40 : 241,872,021.60 = 88,436,660.80 : x
  2. Step 2: Convert to fraction form
    161,248,014.40/241,872,021.60 = 88,436,660.80/x
  3. Step 3: Cross multiply
    161,248,014.40x = 241,872,021.60 × 88,436,660.80
  4. Step 4: Simplify right side
    161,248,014.40x = 21,390,353,931,249,472
  5. Step 5: Solve for x
    x = 21,390,353,931,249,472/161,248,014.40
  6. Step 6: Final answer
    x = 132,654,991.20

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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.