Home / 72,592,144.13-100,155,668.31-43,199,913.89

Finding the Fourth Proportional to 72,592,144.13, 100,155,668.31 and 43,199,913.89

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Solution

The fourth proportional to 72,592,144.13, 100,155,668.31 and 43,199,913.89 is: 59,603,092.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,592,144.13 : 100,155,668.31 = 43,199,913.89 : x
  2. Step 2: Convert to fraction form
    72,592,144.13/100,155,668.31 = 43,199,913.89/x
  3. Step 3: Cross multiply
    72,592,144.13x = 100,155,668.31 × 43,199,913.89
  4. Step 4: Simplify right side
    72,592,144.13x = 4,326,716,246,587,402
  5. Step 5: Solve for x
    x = 4,326,716,246,587,402/72,592,144.13
  6. Step 6: Final answer
    x = 59,603,092.02

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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.