Home / 130,415,943.30-195,623,914.95-84,499,440.90

Finding the Fourth Proportional to 130,415,943.30, 195,623,914.95 and 84,499,440.90

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Solution

The fourth proportional to 130,415,943.30, 195,623,914.95 and 84,499,440.90 is: 126,749,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,415,943.30 : 195,623,914.95 = 84,499,440.90 : x
  2. Step 2: Convert to fraction form
    130,415,943.30/195,623,914.95 = 84,499,440.90/x
  3. Step 3: Cross multiply
    130,415,943.30x = 195,623,914.95 × 84,499,440.90
  4. Step 4: Simplify right side
    130,415,943.30x = 16,530,111,439,944,152
  5. Step 5: Solve for x
    x = 16,530,111,439,944,152/130,415,943.30
  6. Step 6: Final answer
    x = 126,749,161.35

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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.