Home / 122,459,969.90-183,438,012.45-61,909,813.10

Finding the Fourth Proportional to 122,459,969.90, 183,438,012.45 and 61,909,813.10

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Solution

The fourth proportional to 122,459,969.90, 183,438,012.45 and 61,909,813.10 is: 92,737,349.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,459,969.90 : 183,438,012.45 = 61,909,813.10 : x
  2. Step 2: Convert to fraction form
    122,459,969.90/183,438,012.45 = 61,909,813.10/x
  3. Step 3: Cross multiply
    122,459,969.90x = 183,438,012.45 × 61,909,813.10
  4. Step 4: Simplify right side
    122,459,969.90x = 11,356,613,066,214,972
  5. Step 5: Solve for x
    x = 11,356,613,066,214,972/122,459,969.90
  6. Step 6: Final answer
    x = 92,737,349.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.