Home / 119,791,819.89-165,312,711.27-64,787,676.39

Finding the Fourth Proportional to 119,791,819.89, 165,312,711.27 and 64,787,676.39

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Solution

The fourth proportional to 119,791,819.89, 165,312,711.27 and 64,787,676.39 is: 89,406,993.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,791,819.89 : 165,312,711.27 = 64,787,676.39 : x
  2. Step 2: Convert to fraction form
    119,791,819.89/165,312,711.27 = 64,787,676.39/x
  3. Step 3: Cross multiply
    119,791,819.89x = 165,312,711.27 × 64,787,676.39
  4. Step 4: Simplify right side
    119,791,819.89x = 10,710,226,440,914,266
  5. Step 5: Solve for x
    x = 10,710,226,440,914,266/119,791,819.89
  6. Step 6: Final answer
    x = 89,406,993.32

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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.