Home / 78,732,235.05-118,098,352.58-35,602,845.45

Finding the Fourth Proportional to 78,732,235.05, 118,098,352.58 and 35,602,845.45

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Solution

The fourth proportional to 78,732,235.05, 118,098,352.58 and 35,602,845.45 is: 53,404,268.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,235.05 : 118,098,352.58 = 35,602,845.45 : x
  2. Step 2: Convert to fraction form
    78,732,235.05/118,098,352.58 = 35,602,845.45/x
  3. Step 3: Cross multiply
    78,732,235.05x = 118,098,352.58 × 35,602,845.45
  4. Step 4: Simplify right side
    78,732,235.05x = 4,204,637,394,627,335
  5. Step 5: Solve for x
    x = 4,204,637,394,627,335/78,732,235.05
  6. Step 6: Final answer
    x = 53,404,268.18

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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.