Home / 129,732,776,120.16-194,528,223,933.12-103,012,983,727.20

Finding the Fourth Proportional to 129,732,776,120.16, 194,528,223,933.12 and 103,012,983,727.20

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Solution

The fourth proportional to 129,732,776,120.16, 194,528,223,933.12 and 103,012,983,727.20 is: 154,463,146,213.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,732,776,120.16 : 194,528,223,933.12 = 103,012,983,727.20 : x
  2. Step 2: Convert to fraction form
    129,732,776,120.16/194,528,223,933.12 = 103,012,983,727.20/x
  3. Step 3: Cross multiply
    129,732,776,120.16x = 194,528,223,933.12 × 103,012,983,727.20
  4. Step 4: Simplify right side
    129,732,776,120.16x = 20,038,932,766,503,607,468,032
  5. Step 5: Solve for x
    x = 20,038,932,766,503,607,468,032/129,732,776,120.16
  6. Step 6: Final answer
    x = 154,463,146,213.29

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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.