Home / 130,045,599.06-179,426,608.28-102,457,871.70

Finding the Fourth Proportional to 130,045,599.06, 179,426,608.28 and 102,457,871.70

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Solution

The fourth proportional to 130,045,599.06, 179,426,608.28 and 102,457,871.70 is: 141,363,249.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,045,599.06 : 179,426,608.28 = 102,457,871.70 : x
  2. Step 2: Convert to fraction form
    130,045,599.06/179,426,608.28 = 102,457,871.70/x
  3. Step 3: Cross multiply
    130,045,599.06x = 179,426,608.28 × 102,457,871.70
  4. Step 4: Simplify right side
    130,045,599.06x = 18,383,668,410,718,400
  5. Step 5: Solve for x
    x = 18,383,668,410,718,400/130,045,599.06
  6. Step 6: Final answer
    x = 141,363,249.07

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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.