Home / 386,171,774.32-579,244,840.80-167,822,325.72

Finding the Fourth Proportional to 386,171,774.32, 579,244,840.80 and 167,822,325.72

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Solution

The fourth proportional to 386,171,774.32, 579,244,840.80 and 167,822,325.72 is: 251,727,916.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,171,774.32 : 579,244,840.80 = 167,822,325.72 : x
  2. Step 2: Convert to fraction form
    386,171,774.32/579,244,840.80 = 167,822,325.72/x
  3. Step 3: Cross multiply
    386,171,774.32x = 579,244,840.80 × 167,822,325.72
  4. Step 4: Simplify right side
    386,171,774.32x = 97,210,216,344,367,136
  5. Step 5: Solve for x
    x = 97,210,216,344,367,136/386,171,774.32
  6. Step 6: Final answer
    x = 251,727,916.98

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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.