Home / 86,936,042.40-130,404,063.60-56,702,954.40

Finding the Fourth Proportional to 86,936,042.40, 130,404,063.60 and 56,702,954.40

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Solution

The fourth proportional to 86,936,042.40, 130,404,063.60 and 56,702,954.40 is: 85,054,431.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,936,042.40 : 130,404,063.60 = 56,702,954.40 : x
  2. Step 2: Convert to fraction form
    86,936,042.40/130,404,063.60 = 56,702,954.40/x
  3. Step 3: Cross multiply
    86,936,042.40x = 130,404,063.60 × 56,702,954.40
  4. Step 4: Simplify right side
    86,936,042.40x = 7,394,295,671,885,499
  5. Step 5: Solve for x
    x = 7,394,295,671,885,499/86,936,042.40
  6. Step 6: Final answer
    x = 85,054,431.60

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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.