Home / 30,543,670.81-42,149,181.22-16,792,534.81

Finding the Fourth Proportional to 30,543,670.81, 42,149,181.22 and 16,792,534.81

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Solution

The fourth proportional to 30,543,670.81, 42,149,181.22 and 16,792,534.81 is: 23,173,101.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,543,670.81 : 42,149,181.22 = 16,792,534.81 : x
  2. Step 2: Convert to fraction form
    30,543,670.81/42,149,181.22 = 16,792,534.81/x
  3. Step 3: Cross multiply
    30,543,670.81x = 42,149,181.22 × 16,792,534.81
  4. Step 4: Simplify right side
    30,543,670.81x = 707,791,592,849,848.25
  5. Step 5: Solve for x
    x = 707,791,592,849,848.25/30,543,670.81
  6. Step 6: Final answer
    x = 23,173,101.79

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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.