Home / 122,459,968.90-183,438,010.95-61,909,812.10

Finding the Fourth Proportional to 122,459,968.90, 183,438,010.95 and 61,909,812.10

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Solution

The fourth proportional to 122,459,968.90, 183,438,010.95 and 61,909,812.10 is: 92,737,348.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,459,968.90 : 183,438,010.95 = 61,909,812.10 : x
  2. Step 2: Convert to fraction form
    122,459,968.90/183,438,010.95 = 61,909,812.10/x
  3. Step 3: Cross multiply
    122,459,968.90x = 183,438,010.95 × 61,909,812.10
  4. Step 4: Simplify right side
    122,459,968.90x = 11,356,612,789,912,242
  5. Step 5: Solve for x
    x = 11,356,612,789,912,242/122,459,968.90
  6. Step 6: Final answer
    x = 92,737,348.31

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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.