Home / 292,478,006.01-438,712,580.38-71,151,429.95

Finding the Fourth Proportional to 292,478,006.01, 438,712,580.38 and 71,151,429.95

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Solution

The fourth proportional to 292,478,006.01, 438,712,580.38 and 71,151,429.95 is: 106,726,067.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,478,006.01 : 438,712,580.38 = 71,151,429.95 : x
  2. Step 2: Convert to fraction form
    292,478,006.01/438,712,580.38 = 71,151,429.95/x
  3. Step 3: Cross multiply
    292,478,006.01x = 438,712,580.38 × 71,151,429.95
  4. Step 4: Simplify right side
    292,478,006.01x = 31,215,027,431,091,316
  5. Step 5: Solve for x
    x = 31,215,027,431,091,316/292,478,006.01
  6. Step 6: Final answer
    x = 106,726,067.57

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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.