Home / 120,361,688,302.86-166,089,256,890.21-70,858,462,250.34

Finding the Fourth Proportional to 120,361,688,302.86, 166,089,256,890.21 and 70,858,462,250.34

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Solution

The fourth proportional to 120,361,688,302.86, 166,089,256,890.21 and 70,858,462,250.34 is: 97,778,865,563.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,361,688,302.86 : 166,089,256,890.21 = 70,858,462,250.34 : x
  2. Step 2: Convert to fraction form
    120,361,688,302.86/166,089,256,890.21 = 70,858,462,250.34/x
  3. Step 3: Cross multiply
    120,361,688,302.86x = 166,089,256,890.21 × 70,858,462,250.34
  4. Step 4: Simplify right side
    120,361,688,302.86x = 11,768,829,339,541,966,946,304
  5. Step 5: Solve for x
    x = 11,768,829,339,541,966,946,304/120,361,688,302.86
  6. Step 6: Final answer
    x = 97,778,865,563.34

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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.