Home / 74,881,207.40-112,321,811.10-18,147,511.40

Finding the Fourth Proportional to 74,881,207.40, 112,321,811.10 and 18,147,511.40

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Solution

The fourth proportional to 74,881,207.40, 112,321,811.10 and 18,147,511.40 is: 27,221,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,881,207.40 : 112,321,811.10 = 18,147,511.40 : x
  2. Step 2: Convert to fraction form
    74,881,207.40/112,321,811.10 = 18,147,511.40/x
  3. Step 3: Cross multiply
    74,881,207.40x = 112,321,811.10 × 18,147,511.40
  4. Step 4: Simplify right side
    74,881,207.40x = 2,038,361,347,405,896.25
  5. Step 5: Solve for x
    x = 2,038,361,347,405,896.25/74,881,207.40
  6. Step 6: Final answer
    x = 27,221,267.10

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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.