Home / 157,761,996.60-236,642,994.90-72,827,340.60

Finding the Fourth Proportional to 157,761,996.60, 236,642,994.90 and 72,827,340.60

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Solution

The fourth proportional to 157,761,996.60, 236,642,994.90 and 72,827,340.60 is: 109,241,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,761,996.60 : 236,642,994.90 = 72,827,340.60 : x
  2. Step 2: Convert to fraction form
    157,761,996.60/236,642,994.90 = 72,827,340.60/x
  3. Step 3: Cross multiply
    157,761,996.60x = 236,642,994.90 × 72,827,340.60
  4. Step 4: Simplify right side
    157,761,996.60x = 17,234,079,990,186,362
  5. Step 5: Solve for x
    x = 17,234,079,990,186,362/157,761,996.60
  6. Step 6: Final answer
    x = 109,241,010.90

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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.