Home / 154,524,674,339.40-231,787,011,509.10-112,403,936,137.80

Finding the Fourth Proportional to 154,524,674,339.40, 231,787,011,509.10 and 112,403,936,137.80

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Solution

The fourth proportional to 154,524,674,339.40, 231,787,011,509.10 and 112,403,936,137.80 is: 168,605,904,206.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,524,674,339.40 : 231,787,011,509.10 = 112,403,936,137.80 : x
  2. Step 2: Convert to fraction form
    154,524,674,339.40/231,787,011,509.10 = 112,403,936,137.80/x
  3. Step 3: Cross multiply
    154,524,674,339.40x = 231,787,011,509.10 × 112,403,936,137.80
  4. Step 4: Simplify right side
    154,524,674,339.40x = 26,053,772,439,240,390,475,776
  5. Step 5: Solve for x
    x = 26,053,772,439,240,390,475,776/154,524,674,339.40
  6. Step 6: Final answer
    x = 168,605,904,206.70

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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.