Home / 152,608,479.63-210,597,701.81-82,992,376.77

Finding the Fourth Proportional to 152,608,479.63, 210,597,701.81 and 82,992,376.77

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Solution

The fourth proportional to 152,608,479.63, 210,597,701.81 and 82,992,376.77 is: 114,528,392.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,608,479.63 : 210,597,701.81 = 82,992,376.77 : x
  2. Step 2: Convert to fraction form
    152,608,479.63/210,597,701.81 = 82,992,376.77/x
  3. Step 3: Cross multiply
    152,608,479.63x = 210,597,701.81 × 82,992,376.77
  4. Step 4: Simplify right side
    152,608,479.63x = 17,478,003,815,096,668
  5. Step 5: Solve for x
    x = 17,478,003,815,096,668/152,608,479.63
  6. Step 6: Final answer
    x = 114,528,392.25

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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.