Home / 156,696,010.40-235,044,015.60-155,688,240.80

Finding the Fourth Proportional to 156,696,010.40, 235,044,015.60 and 155,688,240.80

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Solution

The fourth proportional to 156,696,010.40, 235,044,015.60 and 155,688,240.80 is: 233,532,361.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,696,010.40 : 235,044,015.60 = 155,688,240.80 : x
  2. Step 2: Convert to fraction form
    156,696,010.40/235,044,015.60 = 155,688,240.80/x
  3. Step 3: Cross multiply
    156,696,010.40x = 235,044,015.60 × 155,688,240.80
  4. Step 4: Simplify right side
    156,696,010.40x = 36,593,589,299,331,760
  5. Step 5: Solve for x
    x = 36,593,589,299,331,760/156,696,010.40
  6. Step 6: Final answer
    x = 233,532,361.20

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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.