Home / 228,137,643.05-314,830,113.39-123,715,687.91

Finding the Fourth Proportional to 228,137,643.05, 314,830,113.39 and 123,715,687.91

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Solution

The fourth proportional to 228,137,643.05, 314,830,113.39 and 123,715,687.91 is: 170,727,739.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,137,643.05 : 314,830,113.39 = 123,715,687.91 : x
  2. Step 2: Convert to fraction form
    228,137,643.05/314,830,113.39 = 123,715,687.91/x
  3. Step 3: Cross multiply
    228,137,643.05x = 314,830,113.39 × 123,715,687.91
  4. Step 4: Simplify right side
    228,137,643.05x = 38,949,424,051,253,000
  5. Step 5: Solve for x
    x = 38,949,424,051,253,000/228,137,643.05
  6. Step 6: Final answer
    x = 170,727,739.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.