Home / 131,490,305.20-197,235,457.80-59,686,721.20

Finding the Fourth Proportional to 131,490,305.20, 197,235,457.80 and 59,686,721.20

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Solution

The fourth proportional to 131,490,305.20, 197,235,457.80 and 59,686,721.20 is: 89,530,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,490,305.20 : 197,235,457.80 = 59,686,721.20 : x
  2. Step 2: Convert to fraction form
    131,490,305.20/197,235,457.80 = 59,686,721.20/x
  3. Step 3: Cross multiply
    131,490,305.20x = 197,235,457.80 × 59,686,721.20
  4. Step 4: Simplify right side
    131,490,305.20x = 11,772,337,780,462,966
  5. Step 5: Solve for x
    x = 11,772,337,780,462,966/131,490,305.20
  6. Step 6: Final answer
    x = 89,530,081.80

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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.