Home / 129,413,376,723.40-194,120,065,085.10-36,355,931,859.40

Finding the Fourth Proportional to 129,413,376,723.40, 194,120,065,085.10 and 36,355,931,859.40

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Solution

The fourth proportional to 129,413,376,723.40, 194,120,065,085.10 and 36,355,931,859.40 is: 54,533,897,789.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,413,376,723.40 : 194,120,065,085.10 = 36,355,931,859.40 : x
  2. Step 2: Convert to fraction form
    129,413,376,723.40/194,120,065,085.10 = 36,355,931,859.40/x
  3. Step 3: Cross multiply
    129,413,376,723.40x = 194,120,065,085.10 × 36,355,931,859.40
  4. Step 4: Simplify right side
    129,413,376,723.40x = 7,057,415,858,776,189,173,760
  5. Step 5: Solve for x
    x = 7,057,415,858,776,189,173,760/129,413,376,723.40
  6. Step 6: Final answer
    x = 54,533,897,789.10

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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.