Home / 251,508,653.80-377,262,980.70-79,002,905.20

Finding the Fourth Proportional to 251,508,653.80, 377,262,980.70 and 79,002,905.20

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Solution

The fourth proportional to 251,508,653.80, 377,262,980.70 and 79,002,905.20 is: 118,504,357.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,508,653.80 : 377,262,980.70 = 79,002,905.20 : x
  2. Step 2: Convert to fraction form
    251,508,653.80/377,262,980.70 = 79,002,905.20/x
  3. Step 3: Cross multiply
    251,508,653.80x = 377,262,980.70 × 79,002,905.20
  4. Step 4: Simplify right side
    251,508,653.80x = 29,804,871,499,711,528
  5. Step 5: Solve for x
    x = 29,804,871,499,711,528/251,508,653.80
  6. Step 6: Final answer
    x = 118,504,357.80

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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.