Home / 159,225,378,979.72-238,871,611,859.10-51,651,250,510.60

Finding the Fourth Proportional to 159,225,378,979.72, 238,871,611,859.10 and 51,651,250,510.60

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Solution

The fourth proportional to 159,225,378,979.72, 238,871,611,859.10 and 51,651,250,510.60 is: 77,487,756,933.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,225,378,979.72 : 238,871,611,859.10 = 51,651,250,510.60 : x
  2. Step 2: Convert to fraction form
    159,225,378,979.72/238,871,611,859.10 = 51,651,250,510.60/x
  3. Step 3: Cross multiply
    159,225,378,979.72x = 238,871,611,859.10 × 51,651,250,510.60
  4. Step 4: Simplify right side
    159,225,378,979.72x = 12,338,017,464,005,183,930,368
  5. Step 5: Solve for x
    x = 12,338,017,464,005,183,930,368/159,225,378,979.72
  6. Step 6: Final answer
    x = 77,487,756,933.38

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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.