Home / 152,547,390.56-210,517,793.16-82,933,037.84

Finding the Fourth Proportional to 152,547,390.56, 210,517,793.16 and 82,933,037.84

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Solution

The fourth proportional to 152,547,390.56, 210,517,793.16 and 82,933,037.84 is: 114,448,893.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,547,390.56 : 210,517,793.16 = 82,933,037.84 : x
  2. Step 2: Convert to fraction form
    152,547,390.56/210,517,793.16 = 82,933,037.84/x
  3. Step 3: Cross multiply
    152,547,390.56x = 210,517,793.16 × 82,933,037.84
  4. Step 4: Simplify right side
    152,547,390.56x = 17,458,880,106,131,574
  5. Step 5: Solve for x
    x = 17,458,880,106,131,574/152,547,390.56
  6. Step 6: Final answer
    x = 114,448,893.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.