Home / 156,357,166.05-215,683,241.67-97,517,679.30

Finding the Fourth Proportional to 156,357,166.05, 215,683,241.67 and 97,517,679.30

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Solution

The fourth proportional to 156,357,166.05, 215,683,241.67 and 97,517,679.30 is: 134,518,485.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,357,166.05 : 215,683,241.67 = 97,517,679.30 : x
  2. Step 2: Convert to fraction form
    156,357,166.05/215,683,241.67 = 97,517,679.30/x
  3. Step 3: Cross multiply
    156,357,166.05x = 215,683,241.67 × 97,517,679.30
  4. Step 4: Simplify right side
    156,357,166.05x = 21,032,929,191,559,456
  5. Step 5: Solve for x
    x = 21,032,929,191,559,456/156,357,166.05
  6. Step 6: Final answer
    x = 134,518,485.61

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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.