Home / 139,270,875.06-192,195,548.91-76,553,820.30

Finding the Fourth Proportional to 139,270,875.06, 192,195,548.91 and 76,553,820.30

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Solution

The fourth proportional to 139,270,875.06, 192,195,548.91 and 76,553,820.30 is: 105,645,229.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,270,875.06 : 192,195,548.91 = 76,553,820.30 : x
  2. Step 2: Convert to fraction form
    139,270,875.06/192,195,548.91 = 76,553,820.30/x
  3. Step 3: Cross multiply
    139,270,875.06x = 192,195,548.91 × 76,553,820.30
  4. Step 4: Simplify right side
    139,270,875.06x = 14,713,303,513,716,000
  5. Step 5: Solve for x
    x = 14,713,303,513,716,000/139,270,875.06
  6. Step 6: Final answer
    x = 105,645,229.18

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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.