Home / 91,254,938,369.10-125,915,163,763.11-52,659,778,174.54

Finding the Fourth Proportional to 91,254,938,369.10, 125,915,163,763.11 and 52,659,778,174.54

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Solution

The fourth proportional to 91,254,938,369.10, 125,915,163,763.11 and 52,659,778,174.54 is: 72,660,885,110.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,254,938,369.10 : 125,915,163,763.11 = 52,659,778,174.54 : x
  2. Step 2: Convert to fraction form
    91,254,938,369.10/125,915,163,763.11 = 52,659,778,174.54/x
  3. Step 3: Cross multiply
    91,254,938,369.10x = 125,915,163,763.11 × 52,659,778,174.54
  4. Step 4: Simplify right side
    91,254,938,369.10x = 6,630,664,592,575,997,935,616
  5. Step 5: Solve for x
    x = 6,630,664,592,575,997,935,616/91,254,938,369.10
  6. Step 6: Final answer
    x = 72,660,885,110.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.