Home / 129,033,667.80-193,550,501.70-86,035,498.20

Finding the Fourth Proportional to 129,033,667.80, 193,550,501.70 and 86,035,498.20

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Solution

The fourth proportional to 129,033,667.80, 193,550,501.70 and 86,035,498.20 is: 129,053,247.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,033,667.80 : 193,550,501.70 = 86,035,498.20 : x
  2. Step 2: Convert to fraction form
    129,033,667.80/193,550,501.70 = 86,035,498.20/x
  3. Step 3: Cross multiply
    129,033,667.80x = 193,550,501.70 × 86,035,498.20
  4. Step 4: Simplify right side
    129,033,667.80x = 16,652,213,840,619,446
  5. Step 5: Solve for x
    x = 16,652,213,840,619,446/129,033,667.80
  6. Step 6: Final answer
    x = 129,053,247.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.