Home / 40,834,239.80-56,355,222.12-30,503,026.76

Finding the Fourth Proportional to 40,834,239.80, 56,355,222.12 and 30,503,026.76

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Solution

The fourth proportional to 40,834,239.80, 56,355,222.12 and 30,503,026.76 is: 42,097,143.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,834,239.80 : 56,355,222.12 = 30,503,026.76 : x
  2. Step 2: Convert to fraction form
    40,834,239.80/56,355,222.12 = 30,503,026.76/x
  3. Step 3: Cross multiply
    40,834,239.80x = 56,355,222.12 × 30,503,026.76
  4. Step 4: Simplify right side
    40,834,239.80x = 1,719,004,848,392,104
  5. Step 5: Solve for x
    x = 1,719,004,848,392,104/40,834,239.80
  6. Step 6: Final answer
    x = 42,097,143.40

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1.5x scale

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.