Home / 116,511,570,120.45-160,786,390,501.93-63,047,542,638.45

Finding the Fourth Proportional to 116,511,570,120.45, 160,786,390,501.93 and 63,047,542,638.45

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Solution

The fourth proportional to 116,511,570,120.45, 160,786,390,501.93 and 63,047,542,638.45 is: 87,005,838,135.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,511,570,120.45 : 160,786,390,501.93 = 63,047,542,638.45 : x
  2. Step 2: Convert to fraction form
    116,511,570,120.45/160,786,390,501.93 = 63,047,542,638.45/x
  3. Step 3: Cross multiply
    116,511,570,120.45x = 160,786,390,501.93 × 63,047,542,638.45
  4. Step 4: Simplify right side
    116,511,570,120.45x = 10,137,186,810,852,903,223,296
  5. Step 5: Solve for x
    x = 10,137,186,810,852,903,223,296/116,511,570,120.45
  6. Step 6: Final answer
    x = 87,005,838,135.84

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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.