Home / 129,330,435,803.70-193,995,653,705.55-73,604,808,002.10

Finding the Fourth Proportional to 129,330,435,803.70, 193,995,653,705.55 and 73,604,808,002.10

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Solution

The fourth proportional to 129,330,435,803.70, 193,995,653,705.55 and 73,604,808,002.10 is: 110,407,212,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,330,435,803.70 : 193,995,653,705.55 = 73,604,808,002.10 : x
  2. Step 2: Convert to fraction form
    129,330,435,803.70/193,995,653,705.55 = 73,604,808,002.10/x
  3. Step 3: Cross multiply
    129,330,435,803.70x = 193,995,653,705.55 × 73,604,808,002.10
  4. Step 4: Simplify right side
    129,330,435,803.70x = 14,279,012,844,238,886,928,384
  5. Step 5: Solve for x
    x = 14,279,012,844,238,886,928,384/129,330,435,803.70
  6. Step 6: Final answer
    x = 110,407,212,003.15

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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.