Home / 78,613,738.93-108,487,390.13-45,593,560

Finding the Fourth Proportional to 78,613,738.93, 108,487,390.13 and 45,593,560

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Solution

The fourth proportional to 78,613,738.93, 108,487,390.13 and 45,593,560 is: 62,919,362.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,613,738.93 : 108,487,390.13 = 45,593,560 : x
  2. Step 2: Convert to fraction form
    78,613,738.93/108,487,390.13 = 45,593,560/x
  3. Step 3: Cross multiply
    78,613,738.93x = 108,487,390.13 × 45,593,560
  4. Step 4: Simplify right side
    78,613,738.93x = 4,946,326,330,907,595
  5. Step 5: Solve for x
    x = 4,946,326,330,907,595/78,613,738.93
  6. Step 6: Final answer
    x = 62,919,362.42

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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.