Home / 119,873,772.10-165,425,799.18-64,869,628.60

Finding the Fourth Proportional to 119,873,772.10, 165,425,799.18 and 64,869,628.60

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Solution

The fourth proportional to 119,873,772.10, 165,425,799.18 and 64,869,628.60 is: 89,520,084.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,873,772.10 : 165,425,799.18 = 64,869,628.60 : x
  2. Step 2: Convert to fraction form
    119,873,772.10/165,425,799.18 = 64,869,628.60/x
  3. Step 3: Cross multiply
    119,873,772.10x = 165,425,799.18 × 64,869,628.60
  4. Step 4: Simplify right side
    119,873,772.10x = 10,731,110,153,664,786
  5. Step 5: Solve for x
    x = 10,731,110,153,664,786/119,873,772.10
  6. Step 6: Final answer
    x = 89,520,084.05

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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.