Home / 54,444,651.60-81,666,977.40-42,115,220.40

Finding the Fourth Proportional to 54,444,651.60, 81,666,977.40 and 42,115,220.40

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Solution

The fourth proportional to 54,444,651.60, 81,666,977.40 and 42,115,220.40 is: 63,172,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,444,651.60 : 81,666,977.40 = 42,115,220.40 : x
  2. Step 2: Convert to fraction form
    54,444,651.60/81,666,977.40 = 42,115,220.40/x
  3. Step 3: Cross multiply
    54,444,651.60x = 81,666,977.40 × 42,115,220.40
  4. Step 4: Simplify right side
    54,444,651.60x = 3,439,422,752,602,819
  5. Step 5: Solve for x
    x = 3,439,422,752,602,819/54,444,651.60
  6. Step 6: Final answer
    x = 63,172,830.60

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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.