Home / 144,093,493.10-198,846,646.67-78,013,463.06

Finding the Fourth Proportional to 144,093,493.10, 198,846,646.67 and 78,013,463.06

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Solution

The fourth proportional to 144,093,493.10, 198,846,646.67 and 78,013,463.06 is: 107,657,293.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,093,493.10 : 198,846,646.67 = 78,013,463.06 : x
  2. Step 2: Convert to fraction form
    144,093,493.10/198,846,646.67 = 78,013,463.06/x
  3. Step 3: Cross multiply
    144,093,493.10x = 198,846,646.67 × 78,013,463.06
  4. Step 4: Simplify right side
    144,093,493.10x = 15,512,715,523,210,618
  5. Step 5: Solve for x
    x = 15,512,715,523,210,618/144,093,493.10
  6. Step 6: Final answer
    x = 107,657,293.82

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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.