Home / 61,042,577.60-91,563,866.40-20,653,061.60

Finding the Fourth Proportional to 61,042,577.60, 91,563,866.40 and 20,653,061.60

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Solution

The fourth proportional to 61,042,577.60, 91,563,866.40 and 20,653,061.60 is: 30,979,592.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,042,577.60 : 91,563,866.40 = 20,653,061.60 : x
  2. Step 2: Convert to fraction form
    61,042,577.60/91,563,866.40 = 20,653,061.60/x
  3. Step 3: Cross multiply
    61,042,577.60x = 91,563,866.40 × 20,653,061.60
  4. Step 4: Simplify right side
    61,042,577.60x = 1,891,074,173,093,370.50
  5. Step 5: Solve for x
    x = 1,891,074,173,093,370.50/61,042,577.60
  6. Step 6: Final answer
    x = 30,979,592.40

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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.