Home / 257,724,769.64-355,658,836.91-140,250,940.65

Finding the Fourth Proportional to 257,724,769.64, 355,658,836.91 and 140,250,940.65

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Solution

The fourth proportional to 257,724,769.64, 355,658,836.91 and 140,250,940.65 is: 193,545,566.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,724,769.64 : 355,658,836.91 = 140,250,940.65 : x
  2. Step 2: Convert to fraction form
    257,724,769.64/355,658,836.91 = 140,250,940.65/x
  3. Step 3: Cross multiply
    257,724,769.64x = 355,658,836.91 × 140,250,940.65
  4. Step 4: Simplify right side
    257,724,769.64x = 49,881,486,426,411,184
  5. Step 5: Solve for x
    x = 49,881,486,426,411,184/257,724,769.64
  6. Step 6: Final answer
    x = 193,545,566.06

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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.