Home / 122,459,973.40-183,438,017.70-61,909,816.60

Finding the Fourth Proportional to 122,459,973.40, 183,438,017.70 and 61,909,816.60

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Solution

The fourth proportional to 122,459,973.40, 183,438,017.70 and 61,909,816.60 is: 92,737,355.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,459,973.40 : 183,438,017.70 = 61,909,816.60 : x
  2. Step 2: Convert to fraction form
    122,459,973.40/183,438,017.70 = 61,909,816.60/x
  3. Step 3: Cross multiply
    122,459,973.40x = 183,438,017.70 × 61,909,816.60
  4. Step 4: Simplify right side
    122,459,973.40x = 11,356,614,033,274,554
  5. Step 5: Solve for x
    x = 11,356,614,033,274,554/122,459,973.40
  6. Step 6: Final answer
    x = 92,737,355.06

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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.