Home / 119,873,486.13-165,425,411.07-64,869,342.63

Finding the Fourth Proportional to 119,873,486.13, 165,425,411.07 and 64,869,342.63

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Solution

The fourth proportional to 119,873,486.13, 165,425,411.07 and 64,869,342.63 is: 89,519,692.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,873,486.13 : 165,425,411.07 = 64,869,342.63 : x
  2. Step 2: Convert to fraction form
    119,873,486.13/165,425,411.07 = 64,869,342.63/x
  3. Step 3: Cross multiply
    119,873,486.13x = 165,425,411.07 × 64,869,342.63
  4. Step 4: Simplify right side
    119,873,486.13x = 10,731,037,670,408,424
  5. Step 5: Solve for x
    x = 10,731,037,670,408,424/119,873,486.13
  6. Step 6: Final answer
    x = 89,519,692.94

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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.