Home / 72,592,150.63-100,155,677.28-43,199,920.39

Finding the Fourth Proportional to 72,592,150.63, 100,155,677.28 and 43,199,920.39

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Solution

The fourth proportional to 72,592,150.63, 100,155,677.28 and 43,199,920.39 is: 59,603,100.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,592,150.63 : 100,155,677.28 = 43,199,920.39 : x
  2. Step 2: Convert to fraction form
    72,592,150.63/100,155,677.28 = 43,199,920.39/x
  3. Step 3: Cross multiply
    72,592,150.63x = 100,155,677.28 × 43,199,920.39
  4. Step 4: Simplify right side
    72,592,150.63x = 4,326,717,285,102,532
  5. Step 5: Solve for x
    x = 4,326,717,285,102,532/72,592,150.63
  6. Step 6: Final answer
    x = 59,603,100.99

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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.