Home / 119,873,409.86-165,425,306.19-64,869,266.90

Finding the Fourth Proportional to 119,873,409.86, 165,425,306.19 and 64,869,266.90

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Solution

The fourth proportional to 119,873,409.86, 165,425,306.19 and 64,869,266.90 is: 89,519,588.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,873,409.86 : 165,425,306.19 = 64,869,266.90 : x
  2. Step 2: Convert to fraction form
    119,873,409.86/165,425,306.19 = 64,869,266.90/x
  3. Step 3: Cross multiply
    119,873,409.86x = 165,425,306.19 × 64,869,266.90
  4. Step 4: Simplify right side
    119,873,409.86x = 10,731,018,339,253,332
  5. Step 5: Solve for x
    x = 10,731,018,339,253,332/119,873,409.86
  6. Step 6: Final answer
    x = 89,519,588.64

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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.