Home / 103,524,711,964.80-155,287,067,947.20-99,461,384,937.60

Finding the Fourth Proportional to 103,524,711,964.80, 155,287,067,947.20 and 99,461,384,937.60

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Solution

The fourth proportional to 103,524,711,964.80, 155,287,067,947.20 and 99,461,384,937.60 is: 149,192,077,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,524,711,964.80 : 155,287,067,947.20 = 99,461,384,937.60 : x
  2. Step 2: Convert to fraction form
    103,524,711,964.80/155,287,067,947.20 = 99,461,384,937.60/x
  3. Step 3: Cross multiply
    103,524,711,964.80x = 155,287,067,947.20 × 99,461,384,937.60
  4. Step 4: Simplify right side
    103,524,711,964.80x = 15,445,066,840,927,708,905,472
  5. Step 5: Solve for x
    x = 15,445,066,840,927,708,905,472/103,524,711,964.80
  6. Step 6: Final answer
    x = 149,192,077,406.40

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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.