Home / 61,692,612.78-91,987,370.88-59,997,648.36

Finding the Fourth Proportional to 61,692,612.78, 91,987,370.88 and 59,997,648.36

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Solution

The fourth proportional to 61,692,612.78, 91,987,370.88 and 59,997,648.36 is: 89,460,077.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,692,612.78 : 91,987,370.88 = 59,997,648.36 : x
  2. Step 2: Convert to fraction form
    61,692,612.78/91,987,370.88 = 59,997,648.36/x
  3. Step 3: Cross multiply
    61,692,612.78x = 91,987,370.88 × 59,997,648.36
  4. Step 4: Simplify right side
    61,692,612.78x = 5,519,025,931,619,143
  5. Step 5: Solve for x
    x = 5,519,025,931,619,143/61,692,612.78
  6. Step 6: Final answer
    x = 89,460,077.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.