Home / 103,690,387,047.80-155,535,580,571.70-102,037,392,961.40

Finding the Fourth Proportional to 103,690,387,047.80, 155,535,580,571.70 and 102,037,392,961.40

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Solution

The fourth proportional to 103,690,387,047.80, 155,535,580,571.70 and 102,037,392,961.40 is: 153,056,089,442.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,690,387,047.80 : 155,535,580,571.70 = 102,037,392,961.40 : x
  2. Step 2: Convert to fraction form
    103,690,387,047.80/155,535,580,571.70 = 102,037,392,961.40/x
  3. Step 3: Cross multiply
    103,690,387,047.80x = 155,535,580,571.70 × 102,037,392,961.40
  4. Step 4: Simplify right side
    103,690,387,047.80x = 15,870,445,154,274,044,280,832
  5. Step 5: Solve for x
    x = 15,870,445,154,274,044,280,832/103,690,387,047.80
  6. Step 6: Final answer
    x = 153,056,089,442.10

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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.