Home / 64,826,571.52-89,488,214.40-40,392,357.76

Finding the Fourth Proportional to 64,826,571.52, 89,488,214.40 and 40,392,357.76

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Solution

The fourth proportional to 64,826,571.52, 89,488,214.40 and 40,392,357.76 is: 55,758,616.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,826,571.52 : 89,488,214.40 = 40,392,357.76 : x
  2. Step 2: Convert to fraction form
    64,826,571.52/89,488,214.40 = 40,392,357.76/x
  3. Step 3: Cross multiply
    64,826,571.52x = 89,488,214.40 × 40,392,357.76
  4. Step 4: Simplify right side
    64,826,571.52x = 3,614,639,971,348,384
  5. Step 5: Solve for x
    x = 3,614,639,971,348,384/64,826,571.52
  6. Step 6: Final answer
    x = 55,758,616.98

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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.