Home / 292,377,200.78-438,561,668.54-71,050,167.59

Finding the Fourth Proportional to 292,377,200.78, 438,561,668.54 and 71,050,167.59

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Solution

The fourth proportional to 292,377,200.78, 438,561,668.54 and 71,050,167.59 is: 106,574,247.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,377,200.78 : 438,561,668.54 = 71,050,167.59 : x
  2. Step 2: Convert to fraction form
    292,377,200.78/438,561,668.54 = 71,050,167.59/x
  3. Step 3: Cross multiply
    292,377,200.78x = 438,561,668.54 × 71,050,167.59
  4. Step 4: Simplify right side
    292,377,200.78x = 31,159,880,046,301,848
  5. Step 5: Solve for x
    x = 31,159,880,046,301,848/292,377,200.78
  6. Step 6: Final answer
    x = 106,574,247.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.