Home / 70,985,737.32-97,960,382.82-38,390,689.32

Finding the Fourth Proportional to 70,985,737.32, 97,960,382.82 and 38,390,689.32

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Solution

The fourth proportional to 70,985,737.32, 97,960,382.82 and 38,390,689.32 is: 52,979,186.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,985,737.32 : 97,960,382.82 = 38,390,689.32 : x
  2. Step 2: Convert to fraction form
    70,985,737.32/97,960,382.82 = 38,390,689.32/x
  3. Step 3: Cross multiply
    70,985,737.32x = 97,960,382.82 × 38,390,689.32
  4. Step 4: Simplify right side
    70,985,737.32x = 3,760,766,622,510,885
  5. Step 5: Solve for x
    x = 3,760,766,622,510,885/70,985,737.32
  6. Step 6: Final answer
    x = 52,979,186.59

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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.