Home / 147,260,870.79-203,220,615.48-81,179,917.35

Finding the Fourth Proportional to 147,260,870.79, 203,220,615.48 and 81,179,917.35

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Solution

The fourth proportional to 147,260,870.79, 203,220,615.48 and 81,179,917.35 is: 112,028,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,260,870.79 : 203,220,615.48 = 81,179,917.35 : x
  2. Step 2: Convert to fraction form
    147,260,870.79/203,220,615.48 = 81,179,917.35/x
  3. Step 3: Cross multiply
    147,260,870.79x = 203,220,615.48 × 81,179,917.35
  4. Step 4: Simplify right side
    147,260,870.79x = 16,497,432,768,482,528
  5. Step 5: Solve for x
    x = 16,497,432,768,482,528/147,260,870.79
  6. Step 6: Final answer
    x = 112,028,624.30

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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.