Home / 42,768,019.70-64,152,029.55-35,587,661.30

Finding the Fourth Proportional to 42,768,019.70, 64,152,029.55 and 35,587,661.30

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Solution

The fourth proportional to 42,768,019.70, 64,152,029.55 and 35,587,661.30 is: 53,381,491.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,019.70 : 64,152,029.55 = 35,587,661.30 : x
  2. Step 2: Convert to fraction form
    42,768,019.70/64,152,029.55 = 35,587,661.30/x
  3. Step 3: Cross multiply
    42,768,019.70x = 64,152,029.55 × 35,587,661.30
  4. Step 4: Simplify right side
    42,768,019.70x = 2,283,020,699,332,991
  5. Step 5: Solve for x
    x = 2,283,020,699,332,991/42,768,019.70
  6. Step 6: Final answer
    x = 53,381,491.95

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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.