Home / 81,480,079.60-122,241,770.70-35,402,176.60

Finding the Fourth Proportional to 81,480,079.60, 122,241,770.70 and 35,402,176.60

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Solution

The fourth proportional to 81,480,079.60, 122,241,770.70 and 35,402,176.60 is: 53,112,672.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,480,079.60 : 122,241,770.70 = 35,402,176.60 : x
  2. Step 2: Convert to fraction form
    81,480,079.60/122,241,770.70 = 35,402,176.60/x
  3. Step 3: Cross multiply
    81,480,079.60x = 122,241,770.70 × 35,402,176.60
  4. Step 4: Simplify right side
    81,480,079.60x = 4,327,624,754,218,106
  5. Step 5: Solve for x
    x = 4,327,624,754,218,106/81,480,079.60
  6. Step 6: Final answer
    x = 53,112,672.15

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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.