Home / 71,082,353.07-106,627,518.11-19,960,386.08

Finding the Fourth Proportional to 71,082,353.07, 106,627,518.11 and 19,960,386.08

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Solution

The fourth proportional to 71,082,353.07, 106,627,518.11 and 19,960,386.08 is: 29,941,699.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,082,353.07 : 106,627,518.11 = 19,960,386.08 : x
  2. Step 2: Convert to fraction form
    71,082,353.07/106,627,518.11 = 19,960,386.08/x
  3. Step 3: Cross multiply
    71,082,353.07x = 106,627,518.11 × 19,960,386.08
  4. Step 4: Simplify right side
    71,082,353.07x = 2,128,326,427,594,852.50
  5. Step 5: Solve for x
    x = 2,128,326,427,594,852.50/71,082,353.07
  6. Step 6: Final answer
    x = 29,941,699.11

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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.