Home / 119,788,382.79-165,308,078.48-64,784,239.29

Finding the Fourth Proportional to 119,788,382.79, 165,308,078.48 and 64,784,239.29

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Solution

The fourth proportional to 119,788,382.79, 165,308,078.48 and 64,784,239.29 is: 89,402,309.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,788,382.79 : 165,308,078.48 = 64,784,239.29 : x
  2. Step 2: Convert to fraction form
    119,788,382.79/165,308,078.48 = 64,784,239.29/x
  3. Step 3: Cross multiply
    119,788,382.79x = 165,308,078.48 × 64,784,239.29
  4. Step 4: Simplify right side
    119,788,382.79x = 10,709,358,112,494,498
  5. Step 5: Solve for x
    x = 10,709,358,112,494,498/119,788,382.79
  6. Step 6: Final answer
    x = 89,402,309.83

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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.