Home / 77,674,189.92-116,513,384.48-20,165,187.84

Finding the Fourth Proportional to 77,674,189.92, 116,513,384.48 and 20,165,187.84

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Solution

The fourth proportional to 77,674,189.92, 116,513,384.48 and 20,165,187.84 is: 30,248,326.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,674,189.92 : 116,513,384.48 = 20,165,187.84 : x
  2. Step 2: Convert to fraction form
    77,674,189.92/116,513,384.48 = 20,165,187.84/x
  3. Step 3: Cross multiply
    77,674,189.92x = 116,513,384.48 × 20,165,187.84
  4. Step 4: Simplify right side
    77,674,189.92x = 2,349,514,283,913,341
  5. Step 5: Solve for x
    x = 2,349,514,283,913,341/77,674,189.92
  6. Step 6: Final answer
    x = 30,248,326.84

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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.