Home / 103,690,387,933.80-155,535,581,900.70-99,627,060,906.60

Finding the Fourth Proportional to 103,690,387,933.80, 155,535,581,900.70 and 99,627,060,906.60

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Solution

The fourth proportional to 103,690,387,933.80, 155,535,581,900.70 and 99,627,060,906.60 is: 149,440,591,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,690,387,933.80 : 155,535,581,900.70 = 99,627,060,906.60 : x
  2. Step 2: Convert to fraction form
    103,690,387,933.80/155,535,581,900.70 = 99,627,060,906.60/x
  3. Step 3: Cross multiply
    103,690,387,933.80x = 155,535,581,900.70 × 99,627,060,906.60
  4. Step 4: Simplify right side
    103,690,387,933.80x = 15,495,552,891,164,513,271,808
  5. Step 5: Solve for x
    x = 15,495,552,891,164,513,271,808/103,690,387,933.80
  6. Step 6: Final answer
    x = 149,440,591,359.90

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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.