Home / 122,500,187,998.40-183,750,281,997.60-102,909,146,974.40

Finding the Fourth Proportional to 122,500,187,998.40, 183,750,281,997.60 and 102,909,146,974.40

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Solution

The fourth proportional to 122,500,187,998.40, 183,750,281,997.60 and 102,909,146,974.40 is: 154,363,720,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,500,187,998.40 : 183,750,281,997.60 = 102,909,146,974.40 : x
  2. Step 2: Convert to fraction form
    122,500,187,998.40/183,750,281,997.60 = 102,909,146,974.40/x
  3. Step 3: Cross multiply
    122,500,187,998.40x = 183,750,281,997.60 × 102,909,146,974.40
  4. Step 4: Simplify right side
    122,500,187,998.40x = 18,909,584,776,678,466,387,968
  5. Step 5: Solve for x
    x = 18,909,584,776,678,466,387,968/122,500,187,998.40
  6. Step 6: Final answer
    x = 154,363,720,461.60

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1.5x scale

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.