Home / 86,581,405.60-129,872,108.40-53,702,922.40

Finding the Fourth Proportional to 86,581,405.60, 129,872,108.40 and 53,702,922.40

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Solution

The fourth proportional to 86,581,405.60, 129,872,108.40 and 53,702,922.40 is: 80,554,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,581,405.60 : 129,872,108.40 = 53,702,922.40 : x
  2. Step 2: Convert to fraction form
    86,581,405.60/129,872,108.40 = 53,702,922.40/x
  3. Step 3: Cross multiply
    86,581,405.60x = 129,872,108.40 × 53,702,922.40
  4. Step 4: Simplify right side
    86,581,405.60x = 6,974,511,759,329,588
  5. Step 5: Solve for x
    x = 6,974,511,759,329,588/86,581,405.60
  6. Step 6: Final answer
    x = 80,554,383.60

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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.