Home / 122,500,187,994.40-183,750,281,991.60-102,909,146,970.40

Finding the Fourth Proportional to 122,500,187,994.40, 183,750,281,991.60 and 102,909,146,970.40

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Solution

The fourth proportional to 122,500,187,994.40, 183,750,281,991.60 and 102,909,146,970.40 is: 154,363,720,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,500,187,994.40 : 183,750,281,991.60 = 102,909,146,970.40 : x
  2. Step 2: Convert to fraction form
    122,500,187,994.40/183,750,281,991.60 = 102,909,146,970.40/x
  3. Step 3: Cross multiply
    122,500,187,994.40x = 183,750,281,991.60 × 102,909,146,970.40
  4. Step 4: Simplify right side
    122,500,187,994.40x = 18,909,584,775,326,008,868,864
  5. Step 5: Solve for x
    x = 18,909,584,775,326,008,868,864/122,500,187,994.40
  6. Step 6: Final answer
    x = 154,363,720,455.60

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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.