Home / 135,217,232.39-186,604,004.67-76,478,748.12

Finding the Fourth Proportional to 135,217,232.39, 186,604,004.67 and 76,478,748.12

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Solution

The fourth proportional to 135,217,232.39, 186,604,004.67 and 76,478,748.12 is: 105,543,061.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,217,232.39 : 186,604,004.67 = 76,478,748.12 : x
  2. Step 2: Convert to fraction form
    135,217,232.39/186,604,004.67 = 76,478,748.12/x
  3. Step 3: Cross multiply
    135,217,232.39x = 186,604,004.67 × 76,478,748.12
  4. Step 4: Simplify right side
    135,217,232.39x = 14,271,240,671,340,234
  5. Step 5: Solve for x
    x = 14,271,240,671,340,234/135,217,232.39
  6. Step 6: Final answer
    x = 105,543,061.48

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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.