Home / 119,617,385.68-165,072,064.56-64,613,266.48

Finding the Fourth Proportional to 119,617,385.68, 165,072,064.56 and 64,613,266.48

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Solution

The fourth proportional to 119,617,385.68, 165,072,064.56 and 64,613,266.48 is: 89,166,346.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,617,385.68 : 165,072,064.56 = 64,613,266.48 : x
  2. Step 2: Convert to fraction form
    119,617,385.68/165,072,064.56 = 64,613,266.48/x
  3. Step 3: Cross multiply
    119,617,385.68x = 165,072,064.56 × 64,613,266.48
  4. Step 4: Simplify right side
    119,617,385.68x = 10,665,845,295,819,044
  5. Step 5: Solve for x
    x = 10,665,845,295,819,044/119,617,385.68
  6. Step 6: Final answer
    x = 89,166,346.81

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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.