Home / 119,873,488.64-165,425,414.52-64,869,345.12

Finding the Fourth Proportional to 119,873,488.64, 165,425,414.52 and 64,869,345.12

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Solution

The fourth proportional to 119,873,488.64, 165,425,414.52 and 64,869,345.12 is: 89,519,696.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,873,488.64 : 165,425,414.52 = 64,869,345.12 : x
  2. Step 2: Convert to fraction form
    119,873,488.64/165,425,414.52 = 64,869,345.12/x
  3. Step 3: Cross multiply
    119,873,488.64x = 165,425,414.52 × 64,869,345.12
  4. Step 4: Simplify right side
    119,873,488.64x = 10,731,038,306,116,940
  5. Step 5: Solve for x
    x = 10,731,038,306,116,940/119,873,488.64
  6. Step 6: Final answer
    x = 89,519,696.37

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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.