Home / 42,768,015.80-64,152,023.70-41,508,303.80

Finding the Fourth Proportional to 42,768,015.80, 64,152,023.70 and 41,508,303.80

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Solution

The fourth proportional to 42,768,015.80, 64,152,023.70 and 41,508,303.80 is: 62,262,455.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,015.80 : 64,152,023.70 = 41,508,303.80 : x
  2. Step 2: Convert to fraction form
    42,768,015.80/64,152,023.70 = 41,508,303.80/x
  3. Step 3: Cross multiply
    42,768,015.80x = 64,152,023.70 × 41,508,303.80
  4. Step 4: Simplify right side
    42,768,015.80x = 2,662,841,689,124,400
  5. Step 5: Solve for x
    x = 2,662,841,689,124,400/42,768,015.80
  6. Step 6: Final answer
    x = 62,262,455.70

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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.