Home / 115,700,029.39-159,675,957.21-63,499,155.76

Finding the Fourth Proportional to 115,700,029.39, 159,675,957.21 and 63,499,155.76

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Solution

The fourth proportional to 115,700,029.39, 159,675,957.21 and 63,499,155.76 is: 87,634,277.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,700,029.39 : 159,675,957.21 = 63,499,155.76 : x
  2. Step 2: Convert to fraction form
    115,700,029.39/159,675,957.21 = 63,499,155.76/x
  3. Step 3: Cross multiply
    115,700,029.39x = 159,675,957.21 × 63,499,155.76
  4. Step 4: Simplify right side
    115,700,029.39x = 10,139,288,478,004,886
  5. Step 5: Solve for x
    x = 10,139,288,478,004,886/115,700,029.39
  6. Step 6: Final answer
    x = 87,634,277.46

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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.